PBDB Collection

crac-greensand (Cretaceous of the United Kingdom)

Where: England, United Kingdom (50.6° N, 1.3° W: paleocoordinates 40.3° N, 9.5° E)

• small collection-level geographic resolution

When: Crackers Member (Atherfield Clay Formation), Aptian (125.0 - 113.0 Ma)

• part of author's Atherfield Clay Series

• bed-level stratigraphic resolution

Environment/lithology: marine; gray shale

Size class: mesofossils

Primary reference: R. Casey. 1961. The stratigraphical palaeontology of the Lower Greensand. Palaeontology 3(4):487-621 [M. Patzkowsky/K. Layou/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 1747: authorized by Mark Patzkowsky, entered by Karen Layou on 07.06.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Echinoidea
Calycina -	Trochotiara fittoni Trochotiara fittoni sea urchin
Asteroidea
Paxillosida - Astropectinidae	Lophidiaster sp. Lophidiaster sp. Spencer 1913 sea star
Thecostraca
Calanticomorpha - Cretiscalpellidae	Cretiscalpellum sp. Cretiscalpellum sp. Withers 1922 barnacle
Scalpellomorpha - Scalpellidae	Virgiscalpellum wrighti Virgiscalpellum wrighti Withers 1946 barnacle
Malacostraca
Decapoda - Viaiidae	Vectis wrighti Vectis wrighti Withers 1946 crab
Gastropoda
Architaenioglossa - Ampullinidae	Globularia cornueliana Globularia cornueliana snail
Sorbeoconcha - Procerithiidae	"Uchauxia forbesiana" = Procerithium "Uchauxia forbesiana" = Procerithium snail
Sorbeoconcha - Cassiopidae	Cassiope pizuetana Cassiope pizuetana snail very rare
Sorbeoconcha - Aporrhaidae	Tessarolax moreausianum, Tessarolax fittoni, Dimorphosoma ancylochia, Dimorphosoma kinklispira, Anchura glabra, Anchura robinaldina Tessarolax moreausianum snail Tessarolax fittoni snail Dimorphosoma ancylochia snail Dimorphosoma kinklispira snail Anchura glabra snail Anchura robinaldina snail
Sorbeoconcha - Acteoninidae	"Ovactaeonina forbesiana" = Colostracon (Ovactaeonina) "Ovactaeonina forbesiana" = Colostracon (Ovactaeonina) snail
Cerithioidea - Turritellidae	Mesalia neocomiensis, Turritella dupiniana Mesalia neocomiensis turret shell Turritella dupiniana turret shell
Heterostropha - Bullinidae	Sulcoactaeon marginata Sulcoactaeon marginata snail
Heterostropha - Acteonidae	Tornatellaea aptiensis Tornatellaea aptiensis snail
Cephalopoda
Diplobelida - Diplobelidae	"Conoteuthis vectensis" = Vectibelus vectensis, Conoteuthis sp., "Conoteuthis dupiniana" = Conoteuthis dupinianus "Conoteuthis vectensis" = Vectibelus vectensis Spath 1939 belemnite Conoteuthis sp. belemnite "Conoteuthis dupiniana" = Conoteuthis dupinianus d'Orbigny 1842 belemnite
Ammonitida - Ancyloceratidae	Ancyloceras mantelli Ancyloceras mantelli Casey 1960 ammonite very rare
Ammonitida - Douvilleiceratidae	Roloboceras perli, Roloboceras hambrovi Roloboceras perli ammonite Roloboceras hambrovi Forbes 1845 ammonite
Ammonitida - Oppeliidae	Aconeceras nisoides, "cf. Aconeceras haugi" = Aconeceras (Aconeceras) haugi Aconeceras nisoides Sarasin 1893 ammonite very rare "cf. Aconeceras haugi" = Aconeceras (Aconeceras) haugi Sarasin 1893 ammonite very rare - originally entered as "Aconeceras cf. haugi"
Ammonitida - Deshayesitidae	Deshayesites callidiscus n. sp., Deshayesites topleyi, Deshayesites forbesi, Deshayesites forbesi n. sp. Deshayesites callidiscus n. sp. ammonite "callidiscus sp. nov." - originally entered as "Deshayesites callidiscus sp. nov." Deshayesites topleyi ammonite Deshayesites forbesi ammonite Deshayesites forbesi n. sp. ammonite "forbesi sp. nov." - originally entered as "Deshayesites forbesi sp. nov."
Bivalvia
Ostreida - Bakevelliidae	Gervillella sublanceolata Gervillella sublanceolata d'Orbigny 1850 oyster
Arcida - Cucullaeidae	Cucullaea fittoni Cucullaea fittoni clam
Arcida - Parallelodontidae	Aptolinter aptiensis Aptolinter aptiensis clam
Mytilida - Mytilidae	Brachidontes vectiensis Brachidontes vectiensis mussel
Lucinida - Mactromyidae	Thetironia minor, Mactromya vectensis Thetironia minor Sowerby 1826 clam Mactromya vectensis clam
Solenida - Pharidae	Senis wharburtoni Senis wharburtoni clam
Pholadomyida - Pholadomyidae	Pholadomya martini, Pholadomya gigantea Pholadomya martini clam Pholadomya gigantea Sowerby 1836 clam
Cardiida - Cardiidae	Protocardia anglica, Nemocardium ibbetsoni Protocardia anglica cockle Nemocardium ibbetsoni cockle
Cardiida - Icanotiidae	Scittila nasuta Scittila nasuta clam
Cardiida - Arcticidae	Vectianella vectiana, Venilicardia saussuri, Venilicardia anglica Vectianella vectiana clam Venilicardia saussuri clam Venilicardia anglica clam
Cardiida - Veneridae	Resatrix parva, Resatrix vectensis Resatrix parva venus clam Resatrix vectensis venus clam
Carditida - Crassatellidae	Mediraon sulcatum n. sp. Mediraon sulcatum n. sp. clam "sulcatum sp.nov." - originally entered as "Mediraon sulcatum sp.nov."
Trigoniida - Steinmanellidae	Yaadia nodosa Yaadia nodosa clam