Lista de obras - Alessandro Garassino - Dominio Público Uruguay

A New Family Of Coleoids From The Lower Jurassic Of Osteno, Northern Italy

article

A distinctive shallow marine crustacean fauna from the early Pleistocene of Poggi Gialli (Tuscany, central Italy): taxonomic inferences and palaeoenvironmental reconstruction

article

A new calappid species from the Ligure Piemontese Basin (NW Italy) and reappraisal of the fossil calappid specimens in the Museo “G. Maini”, Ovada

artículo científico publicado en 2019

A new caridean shrimp (Crustacea, Decapoda) from the middle–late Miocene of Sakhalin Island, Russia ⬇️

artículo científico publicado en 2022

A new cyclodorippid crab, Berglundus bretoni n. gen., n. sp. (Decapoda, Cyclodorippidae) from the Notheastern Pacific, USA ⬇️

artículo científico publicado en 2021

A new dromioid crab from the late Campanian of Hornby Island, Canada

artículo científico publicado en 2020

A new fossil frog crab (Brachyura, Raninoidea) from the Paleogene of northeastern Pacific

artículo científico publicado en 2020

A new furry lobster (Crustacea, Decapoda, Synaxidae) from the Upper Cretaceous (Cenomanian) of Lebanon

A new genus of slipper lobster (Crustacea: Decapoda: Scyllaridae) from the Eocene of California and Oregon (USA)

A new ghost shrimp (Axiidea, Callianopsidae) from the Late Cretaceous (Cenomanian) of Hadjoula, Lebanon

artículo científico publicado en 2020

A new homolid crab, Lindahomola longispina n. gen., n. sp. (Crustacea, Decapoda), from the Peedee Formation (late Maastrichtian), Rocky Point Member, North Carolina, USA

A new homolid crab, Zygastrocarcinus tricki sp. nov., from the Pierre Shale (middle Campanian), Baculite Mesa, Pueblo County, Colorado, USA

scientific article published in 2016

A new leucosiid crab (Decapoda, Brachyura) from the Plio-Pleistocene San Diego Formation, southern California, U.S.A

A new limulid (Chelicerata, Xiphosurida) from the Late Cretaceous (Cenomanian–Turonian) of Gara Sbaa, southeast Morocco

artículo científico publicado en 2020

A new limulid (Chelicerata, Xiphosurida) from the Lower Jurassic (Sinemurian) of Osteno, NW Italy

artículo científico

A new raninoid crab (Decapoda, Brachyura, Raninidae) from the early Oligocene (late Rupelian) of Italy

article

A new species of Petrolisthes Stimpson, 1858 (Anomura, Porcellanidae) from the Upper Cretaceous (upper Santonian) of Vancouver Island, Canada

scientific article published in 2020

A new species of ghost shrimp (Decapoda, Thalassinidea, Callianassidae) from the Late Cretaceous (Cenomanian) of Agadir (W Morocco) ⬇️

A new species of mecochirid lobster, Meyeria libanotica (Decapoda, Glypheoidea), from the Barremian (Early Cretaceous) of Lebanon

scholarly article published in 2021

A new spider crab (Brachyura, Epialtidae) from the Castle Hayne Limestone Formation (Eocene), North Carolina, USA ⬇️

artículo científico publicado en 2021

A new squat lobster (Crustacea, Anomura, Munididae) from the Pliocene of Monterotondo Marittimo (Tuscany, Italy)

article

A new squat lobster (Crustacea, Anomura, Munidopsidae) from the Middle-Late Eocene of British Columbia (Canada)

article

A preliminary review of the fossil species of Ranina Lamarck, 1801 (Decapoda, Brachyura, Raninidae), with systematic remarks

artículo científico publicado en 2017

A review of some leucosiid crabs from the lower Pleistocene beds of Poggi Gialli (Tuscany, central Italy) ⬇️

artículo científico publicado en 2022

Amazighopsidae, a new family of decapod macruran astacideans from the late Cretaceous (Cenomanian-Turonian) of Gara Sbaa, Southeastern Morocco

scholarly article by Alessandro Garassino & Giovanni Pasini published 5 February 2018 in Natural History Sciences

Anapagurus mamertinus n. sp. (Anomura, Paguroidea, Paguridae) from the Pliocene of S. Antonio, Capo Milazzo (Sicily, S Italy) ⬇️

Ancipitecancer collinsi, a new genus and species of problematic eubrachyuran crab from the Pleistocene of Italy

artículo científico publicado en 2020

Another piece in the puzzle of mantis shrimp evolution – fossils from the Early Jurassic Osteno Lagerstätte of Northern Italy ⬇️

artículo científico publicado en 2023

Archaeosculda phoenicia n. gen., n. sp. (Crustacea, Stomatopoda, Pseudosculdidae) from the Upper Cretaceous (Cenomanian) of Lebanon ⬇️

scholarly article

Asthenognathus alleronensis n. sp. (Decapoda, Brachyura, Varunidae) from the early Pleistocene of Bargiano, Terni (Umbria, central Italy)

article

Bathypluma pliocenica n. sp. (Decapoda, Brachyura, Retroplumidae) from the Zanclean (Early Pliocene) of Volterra (Pisa, Toscana, Italy)

article

Calappa damarcoi n. sp. (Crustacea, Brachyura, Calappidae) from the early Oligocene of the Ligure Piemontese Basin, Piedmont (NW Italy)

article

Critical review of fossil record of Ranina Lamarck, 1801 (Decapoda, Brachyura, Raninidae), with description of Tethyranina n. gen

Early Pleistocene shallow marine decapod crustaceans fauna from Fabro Scalo (western Umbria, central Italy): taxonomic inferences and palaeoenvironmental reconstruction

artículo científico publicado en 2014

Enoploclytia tepeyacensis n. sp. (Crustacea, Decapoda, Erymidae) from the Cretaceous (Campanian) of Coahuila, NE Mexico

scientific article published in 2013

Eocene decapod faunas from the Konservat-Lagerstätten laminites of "Pesciara" (Bolca, Verona) and Monte Postale (Altissimo, Vicenza) in northeast Italy: a review and update

artículo científico publicado en 2019

Eonomus californianus n. gen., n. sp. (Crustacea, Brachyura, Cymonomidae) from the Eocene Llajas Formation, California (USA)

artículo científico publicado en 2017

First record of Calappoidea and Dromioidea from the Upper Cretaceous (Upper Maastrichtian) of NW Madagascar

artículo científico publicado en 2003

First record of cirolanids (Crustacea, Isopoda, Cirolanidae) from the Middle Pliocene of Parma and Reggio Emilia Province (Emilia Romagna, N Italy)

article

First report of a polychelid lobster (Crustacea: Decapoda: Coleiidae) from the Early Cretaceous of Italy

artículo científico publicado en 2012

First report of caridean shrimps, crabs (Decapoda) and mysidaceans (Peracarida) from the middle–late Miocene of Sakhalin Island, Russia

artículo científico

Fossil decapod crustaceans from the Early Cretaceous (Albian) of Oregon, USA

artículo científico publicado en 2019

Galatheids, chirostylids and porcellanids (Crustacea, Decapoda, Anomura) from the Eocene and Oligocene of Vicenza (northern Italy)

artículo científico publicado en 2003

Justitia Holthuis, 1946 (Crustacea, Decapoda, Palinuridea) from the Middle Eocene of Verona and Vicenza (northern Italy)

artículo científico publicado en 2003

Macrurans (Crustacea, Decapoda) from the Lower Triassic (Olenekian) of the Ambilobé area (NW Madagascar)

artículo científico publicado en 2003

Matutites collinsi n. sp. (Crustacea, Decapoda, Matutidae) from the Spring Garden Member of the Castle Hayne Formation in North Carolina (USA)

artículo científico publicado en 2020

Meridecaris ladinica n. gen. n. sp. (Crustacea, Decapoda, Clytiopsidae) from the Middle Triassic (Ladinian) of Monte San Giorgio (Canton Ticino, Switzerland)

article

Middle Jurassic Monte Fallano Plattenkalk (Campania, southern Italy): first report on terrestrial plants, decapod crustaceans and fishes

scientific article published in 2014

Morphometric analysis of extant Nephrops norvegicus (Linné, 1758) and Solenocera membranacea (Risso, 1826) applied to systematic palaeontology of fossil decapod crustaceans

artículo científico publicado en 2003

Munida casadioi (Schweitzer & Feldmann, 2000) from the Eocene of the Bariloche area, Patagonia (Argentina)

artículo científico publicado en 2003

New Neogene species of Tymolus Stimpson, 1858 (Decapoda, Brachyura, Cyclodorippidae) from the eastern Pacific

artículo científico publicado en 2020

New Occurrences of Fossil Homolidae from the Eastern Pacific

artículo científico publicado en 2017

New and revised species of Archaeopus RATHBUN, 1908 (Decapoda: Brachyura: Retroplumidae) from the eastern Pacific

artículo científico publicado en 2019

New decapod crustacean assemblage from the Upper Cretaceous (Cenomanian) of Chiapas, Mexico

New report of fossil crabs (Decapoda, Brachyura) from the late Eocene of San Feliciano Hill (Orgiano, Monti Berici, Vicenza, NE Italy) ⬇️

artículo científico publicado en 2021

New report of the box crab <em>Calappa granulata</em> (Linnaeus, 1758) from the Pliocene of Borgomanero (NW Italy), with remarks on its fossil distribution

artículo científico publicado en 2020

New report of the coral-associated decapods from the early Messinian (Late Miocene) of Acquabona, Rosignano Marittimo (Toscana, Italy) ⬇️

New studies of decapod crustaceans from the Upper Jurassic lithographic limestones of southern Germany

artículo científico publicado en 2003

Palaega picena n. sp. (Crustacea, Isopoda, Cirolanidae) from the Miocene of Arcevia, Ancona (Marche, Central Italy)

artículo científico

Palaega pisana n. sp. (Crustacea, Isopoda, Cirolanidae) from the Pliocene of Orciano Pisano, Pisa (Toscana, Central Italy)

article

Palaemon monsdamarum n. sp. (Crustacea, Decapoda, Palaemonidae) from the late Miocene of Mondaino (Rimini, Emilia-Romagna, Italy)

article

Palinurellus bericus n. sp. (Crustacea, Decapoda, Palinuridae) from the late Eocene (Priabonian) of San Feliciano (Orgiano, Vicenza, northeastern Italy) ⬇️

Panulirus destombesin. sp. (Crustacea, Decapoda, Palinuridae) de l'Albien (Crétacé inférieur) de Wissant (Pas-de-Calais, France)

artículo científico publicado en 2010

Penaeidean and caridean shrimps (Crustacea, Decapoda) from the Upper Meride Limestone (Middle Triassic) of Monte San Giorgio (TI, Switzerland) ⬇️

artículo científico publicado en 2022

Phylogeny of fossil and extant glypheid and litogastrid lobsters (Crustacea, Decapoda) as revealed by morphological characters

artículo científico publicado en 2014

Pleuronassa timerchidouensis n. gen., n. sp. (Axiidea, Callianassidae) from the Calcaires à slumps de Taghit Fm., Late Campanian of the Moyenne Moulouya, NE Morocco ⬇️

Pseudonecrocarcinus eichhorni n. sp. (Brachyura, Raninoida, Paranecrocarcinidae) from the Late Cretaceous (Coniacian) of Montana (USA) ⬇️

artículo científico publicado en 2021

Report of a palicid crab (Brachyura, Palicidae) from the lower Pleistocene beds of Poggi Gialli (Tuscany, central Italy) ⬇️

artículo científico publicado en 2022

Report of ethusid crabs (Brachyura, Ethusidae) from the late Eocene of San Feliciano hill (Monti Berici, Vicenza, NE Italy)

scholarly article published in 2021

Report of new lobsters (Crustacea, Decapoda) from the Lower Cretaceous (Albian) of Haida Gwaii Archipelago, Canada

artículo científico

Report on decapod crustaceans from the Eocene of Zagros Basin, Iran

artículo científico publicado en 2014

Revision of the fossil species of Goneplax Leach, 1814 (Crustacea, Decapoda, Brachyura, Goneplacidae)

artículo científico publicado en 2013

Squilla taulinanus n. sp. (Crustacea, Stomatopoda, Squillidae) from the Burdigalian (Miocene) of Taulignan, south-eastern France

artículo científico publicado en 2013

The Cenozoic age of the supposed Jurassic crab Hebertides jurassica Guinot, De Angeli & Garassino, 2007 (Crustacea, Decapoda, Brachyura)

article

The bathyal decapod crustacean community from the Poggio i Sodi quarries (Siena Basin, Tuscany, Italy)

artículo científico publicado en 2013

The decapod community from the Early Pliocene (Zanclean) of “La Serra” quarry (San Miniato, Pisa, Toscana, central Italy): sedimentology, systematics, and palaeoenvironmental implications

article

The decapod fauna (Axiidea, Anomura, Brachyura) from the Late Pleistocene of Trumbacà, Reggio Calabria (Calabria, southern Italy)

artículo científico publicado en 2014

Three new isopod species and a new occurrence of the tanaidacean Niveotanais brunnensis Polz, 2005 from the Jurassic Plattenkalk beds of Monte Fallano, Italy

scientific article published in 2014

Calappa granulata (Linnaeus, 1758) (Crustacea, Decapoda, Brachyura, Calappidae) and Astiplax aspera n. gen., n. sp. (Crustacea, Decapoda, Brachyura, Goneplacidae) from the Asti sands Fm. (Late Pliocene) of S. Pietro (Asti, Piedmont, NW Italy)

artículo científico publicado en 2013

Lista de obras de Alessandro Garassino

A New Family Of Coleoids From The Lower Jurassic Of Osteno, Northern Italy

A distinctive shallow marine crustacean fauna from the early Pleistocene of Poggi Gialli (Tuscany, central Italy): taxonomic inferences and palaeoenvironmental reconstruction

A new calappid species from the Ligure Piemontese Basin (NW Italy) and reappraisal of the fossil calappid specimens in the Museo “G. Maini”, Ovada

A new caridean shrimp (Crustacea, Decapoda) from the middle–late Miocene of Sakhalin Island, Russia ⬇️

A new cyclodorippid crab, Berglundus bretoni n. gen., n. sp. (Decapoda, Cyclodorippidae) from the Notheastern Pacific, USA ⬇️

A new dromioid crab from the late Campanian of Hornby Island, Canada

A new fossil frog crab (Brachyura, Raninoidea) from the Paleogene of northeastern Pacific

A new furry lobster (Crustacea, Decapoda, Synaxidae) from the Upper Cretaceous (Cenomanian) of Lebanon

A new genus of slipper lobster (Crustacea: Decapoda: Scyllaridae) from the Eocene of California and Oregon (USA)

A new ghost shrimp (Axiidea, Callianopsidae) from the Late Cretaceous (Cenomanian) of Hadjoula, Lebanon

A new homolid crab, Lindahomola longispina n. gen., n. sp. (Crustacea, Decapoda), from the Peedee Formation (late Maastrichtian), Rocky Point Member, North Carolina, USA

A new homolid crab, Zygastrocarcinus tricki sp. nov., from the Pierre Shale (middle Campanian), Baculite Mesa, Pueblo County, Colorado, USA

A new leucosiid crab (Decapoda, Brachyura) from the Plio-Pleistocene San Diego Formation, southern California, U.S.A

A new limulid (Chelicerata, Xiphosurida) from the Late Cretaceous (Cenomanian–Turonian) of Gara Sbaa, southeast Morocco

A new limulid (Chelicerata, Xiphosurida) from the Lower Jurassic (Sinemurian) of Osteno, NW Italy

A new raninoid crab (Decapoda, Brachyura, Raninidae) from the early Oligocene (late Rupelian) of Italy

A new species of Petrolisthes Stimpson, 1858 (Anomura, Porcellanidae) from the Upper Cretaceous (upper Santonian) of Vancouver Island, Canada

A new species of ghost shrimp (Decapoda, Thalassinidea, Callianassidae) from the Late Cretaceous (Cenomanian) of Agadir (W Morocco) ⬇️

A new species of mecochirid lobster, Meyeria libanotica (Decapoda, Glypheoidea), from the Barremian (Early Cretaceous) of Lebanon

A new spider crab (Brachyura, Epialtidae) from the Castle Hayne Limestone Formation (Eocene), North Carolina, USA ⬇️

A new squat lobster (Crustacea, Anomura, Munididae) from the Pliocene of Monterotondo Marittimo (Tuscany, Italy)

A new squat lobster (Crustacea, Anomura, Munidopsidae) from the Middle-Late Eocene of British Columbia (Canada)

A preliminary review of the fossil species of Ranina Lamarck, 1801 (Decapoda, Brachyura, Raninidae), with systematic remarks

A review of some leucosiid crabs from the lower Pleistocene beds of Poggi Gialli (Tuscany, central Italy) ⬇️

Amazighopsidae, a new family of decapod macruran astacideans from the late Cretaceous (Cenomanian-Turonian) of Gara Sbaa, Southeastern Morocco

Anapagurus mamertinus n. sp. (Anomura, Paguroidea, Paguridae) from the Pliocene of S. Antonio, Capo Milazzo (Sicily, S Italy) ⬇️

Ancipitecancer collinsi, a new genus and species of problematic eubrachyuran crab from the Pleistocene of Italy

Another piece in the puzzle of mantis shrimp evolution – fossils from the Early Jurassic Osteno Lagerstätte of Northern Italy ⬇️

Archaeosculda phoenicia n. gen., n. sp. (Crustacea, Stomatopoda, Pseudosculdidae) from the Upper Cretaceous (Cenomanian) of Lebanon ⬇️

Asthenognathus alleronensis n. sp. (Decapoda, Brachyura, Varunidae) from the early Pleistocene of Bargiano, Terni (Umbria, central Italy)

Bathypluma pliocenica n. sp. (Decapoda, Brachyura, Retroplumidae) from the Zanclean (Early Pliocene) of Volterra (Pisa, Toscana, Italy)

Calappa damarcoi n. sp. (Crustacea, Brachyura, Calappidae) from the early Oligocene of the Ligure Piemontese Basin, Piedmont (NW Italy)

Critical review of fossil record of Ranina Lamarck, 1801 (Decapoda, Brachyura, Raninidae), with description of Tethyranina n. gen

Early Pleistocene shallow marine decapod crustaceans fauna from Fabro Scalo (western Umbria, central Italy): taxonomic inferences and palaeoenvironmental reconstruction

Enoploclytia tepeyacensis n. sp. (Crustacea, Decapoda, Erymidae) from the Cretaceous (Campanian) of Coahuila, NE Mexico

Eocene decapod faunas from the Konservat-Lagerstätten laminites of "Pesciara" (Bolca, Verona) and Monte Postale (Altissimo, Vicenza) in northeast Italy: a review and update

Eonomus californianus n. gen., n. sp. (Crustacea, Brachyura, Cymonomidae) from the Eocene Llajas Formation, California (USA)

First record of Calappoidea and Dromioidea from the Upper Cretaceous (Upper Maastrichtian) of NW Madagascar

First record of cirolanids (Crustacea, Isopoda, Cirolanidae) from the Middle Pliocene of Parma and Reggio Emilia Province (Emilia Romagna, N Italy)

First report of a polychelid lobster (Crustacea: Decapoda: Coleiidae) from the Early Cretaceous of Italy

First report of caridean shrimps, crabs (Decapoda) and mysidaceans (Peracarida) from the middle–late Miocene of Sakhalin Island, Russia

Fossil decapod crustaceans from the Early Cretaceous (Albian) of Oregon, USA

Galatheids, chirostylids and porcellanids (Crustacea, Decapoda, Anomura) from the Eocene and Oligocene of Vicenza (northern Italy)

Justitia Holthuis, 1946 (Crustacea, Decapoda, Palinuridea) from the Middle Eocene of Verona and Vicenza (northern Italy)

Macrurans (Crustacea, Decapoda) from the Lower Triassic (Olenekian) of the Ambilobé area (NW Madagascar)

Matutites collinsi n. sp. (Crustacea, Decapoda, Matutidae) from the Spring Garden Member of the Castle Hayne Formation in North Carolina (USA)

Meridecaris ladinica n. gen. n. sp. (Crustacea, Decapoda, Clytiopsidae) from the Middle Triassic (Ladinian) of Monte San Giorgio (Canton Ticino, Switzerland)

Middle Jurassic Monte Fallano Plattenkalk (Campania, southern Italy): first report on terrestrial plants, decapod crustaceans and fishes

Morphometric analysis of extant Nephrops norvegicus (Linné, 1758) and Solenocera membranacea (Risso, 1826) applied to systematic palaeontology of fossil decapod crustaceans

Munida casadioi (Schweitzer & Feldmann, 2000) from the Eocene of the Bariloche area, Patagonia (Argentina)

New Neogene species of Tymolus Stimpson, 1858 (Decapoda, Brachyura, Cyclodorippidae) from the eastern Pacific

New Occurrences of Fossil Homolidae from the Eastern Pacific

New and revised species of Archaeopus RATHBUN, 1908 (Decapoda: Brachyura: Retroplumidae) from the eastern Pacific

New decapod crustacean assemblage from the Upper Cretaceous (Cenomanian) of Chiapas, Mexico

New report of fossil crabs (Decapoda, Brachyura) from the late Eocene of San Feliciano Hill (Orgiano, Monti Berici, Vicenza, NE Italy) ⬇️

New report of the box crab <em>Calappa granulata</em> (Linnaeus, 1758) from the Pliocene of Borgomanero (NW Italy), with remarks on its fossil distribution

New report of the coral-associated decapods from the early Messinian (Late Miocene) of Acquabona, Rosignano Marittimo (Toscana, Italy) ⬇️

New studies of decapod crustaceans from the Upper Jurassic lithographic limestones of southern Germany

Palaega picena n. sp. (Crustacea, Isopoda, Cirolanidae) from the Miocene of Arcevia, Ancona (Marche, Central Italy)

Palaega pisana n. sp. (Crustacea, Isopoda, Cirolanidae) from the Pliocene of Orciano Pisano, Pisa (Toscana, Central Italy)

Palaemon monsdamarum n. sp. (Crustacea, Decapoda, Palaemonidae) from the late Miocene of Mondaino (Rimini, Emilia-Romagna, Italy)

Palinurellus bericus n. sp. (Crustacea, Decapoda, Palinuridae) from the late Eocene (Priabonian) of San Feliciano (Orgiano, Vicenza, northeastern Italy) ⬇️

Panulirus destombesin. sp. (Crustacea, Decapoda, Palinuridae) de l'Albien (Crétacé inférieur) de Wissant (Pas-de-Calais, France)

Penaeidean and caridean shrimps (Crustacea, Decapoda) from the Upper Meride Limestone (Middle Triassic) of Monte San Giorgio (TI, Switzerland) ⬇️

Phylogeny of fossil and extant glypheid and litogastrid lobsters (Crustacea, Decapoda) as revealed by morphological characters

Pleuronassa timerchidouensis n. gen., n. sp. (Axiidea, Callianassidae) from the Calcaires à slumps de Taghit Fm., Late Campanian of the Moyenne Moulouya, NE Morocco ⬇️

Pseudonecrocarcinus eichhorni n. sp. (Brachyura, Raninoida, Paranecrocarcinidae) from the Late Cretaceous (Coniacian) of Montana (USA) ⬇️

Report of a palicid crab (Brachyura, Palicidae) from the lower Pleistocene beds of Poggi Gialli (Tuscany, central Italy) ⬇️

Report of ethusid crabs (Brachyura, Ethusidae) from the late Eocene of San Feliciano hill (Monti Berici, Vicenza, NE Italy)

Report of new lobsters (Crustacea, Decapoda) from the Lower Cretaceous (Albian) of Haida Gwaii Archipelago, Canada

Report on decapod crustaceans from the Eocene of Zagros Basin, Iran

Revision of the fossil species of Goneplax Leach, 1814 (Crustacea, Decapoda, Brachyura, Goneplacidae)

Squilla taulinanus n. sp. (Crustacea, Stomatopoda, Squillidae) from the Burdigalian (Miocene) of Taulignan, south-eastern France

The Cenozoic age of the supposed Jurassic crab Hebertides jurassica Guinot, De Angeli & Garassino, 2007 (Crustacea, Decapoda, Brachyura)

The bathyal decapod crustacean community from the Poggio i Sodi quarries (Siena Basin, Tuscany, Italy)

The decapod community from the Early Pliocene (Zanclean) of “La Serra” quarry (San Miniato, Pisa, Toscana, central Italy): sedimentology, systematics, and palaeoenvironmental implications

The decapod fauna (Axiidea, Anomura, Brachyura) from the Late Pleistocene of Trumbacà, Reggio Calabria (Calabria, southern Italy)

Three new isopod species and a new occurrence of the tanaidacean Niveotanais brunnensis Polz, 2005 from the Jurassic Plattenkalk beds of Monte Fallano, Italy

Calappa granulata (Linnaeus, 1758) (Crustacea, Decapoda, Brachyura, Calappidae) and Astiplax aspera n. gen., n. sp. (Crustacea, Decapoda, Brachyura, Goneplacidae) from the Asti sands Fm. (Late Pliocene) of S. Pietro (Asti, Piedmont, NW Italy)