Sac2-Greensand (Cretaceous of the United Kingdom)

Where: England, United Kingdom (51.2° N, 0.6° W: paleocoordinates 40.9° N, 10.2° E)

• local area-level geographic resolution

When: Atherfield Clay Formation (Lower Greensand Group), Aptian (125.0 - 113.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; 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 1836: authorized by Mark Patzkowsky, entered by Karen Layou on 09.06.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Scleractinia - Caryophylliidae
 Scleractinia - Cyathophoridae
Holocystis elegans Lonsdale 1849 stony coral
Echinoidea
 Spatangoida - Toxasteridae
Toxaster fittoni heart urchin
Toxaster complanatus heart urchin
Bivalvia
 Nuculanida - Nuculanidae
Nuculana scapha pointed nut clam
 Solenida - Pharidae
 Cardiida - Arcticidae
 Cardiida - Veneridae
 Cardiida - Icanotiidae
 Lucinida - Lucinidae
Sphaera corrugata Sowerby 1822 clam
 Carditida - Astartidae
 Carditida - Carditidae
 Carditida - Crassatellidae
Mediraon sulcatum n. sp. clam
"sulcatum sp. nov." - originally entered as "Mediraon sulcatum sp. nov."
 Unionida - Mulleriidae
 Trigoniida - Steinmanellidae
 Pectinida - Pectinoidae
Camptonectes cottaldinus Orbigny 1847 scallop
 Pectinida - Anomiidae
Anomia laevigata Sowerby 1836 jingle
 Arcida - Parallelodontidae
 Arcida - Arcidae
Gastropoda
 Trochoidea - Turbinidae
"Fossarius munitus" = Hanaispira munitus
"Fossarius munitus" = Hanaispira munitus Forbes 1845 snail
originally entered as "Fossarus munitus"
 Trochoidea - Ataphridae
 Sorbeoconcha - Acteoninidae
"Ovactaeonina forbesiana" = Colostracon (Ovactaeonina)
"Ovactaeonina forbesiana" = Colostracon (Ovactaeonina) snail
 Sorbeoconcha - Aporrhaidae
 Epitonioidea - Epitoniidae
Scalaria meyeri wentletrap
Cephalopoda
 Ammonitida - Deshayesitidae
Rhynchonellata
 Rhynchonellida - Cyclothyrididae
 Terebratulida - Sellithyrididae
Sellithyris sella Sowerby 1823
Lingulata
 Lingulida - Lingulidae
Lingula truncata Sowerby 1836