Echinoidea, Snow Hill Island fm, Maastrichtian, James Ross Island (Cretaceous to of Antarctica)

Where: Antarctica (63.0° S, 57.0° W: paleocoordinates 60.9° S, 67.6° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Snow Hill Island Formation (Marambio Group), Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; bioturbated, gray, green, argillaceous sandstone

Size class: macrofossils

Preservation: original calcite

Primary reference: D. Néraudeau, A. Crame, and M. Kooser. 2000. Upper Cretaceous echinoids from James Ross Basin, Antarctica. Géobios 33(4):455-466 [L. Villier/L. Villier/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 39620: authorized by Loic Villier, entered by Loic Villier on 01.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Malacostraca
 Decapoda - Nephropidae
Hoploparia sp. McCoy 1849 clawed lobster
Polychaeta
 Serpulimorpha -
Bivalvia
 Arcida - Parallelodontidae
"Nordenskjoeldia sp." = Grammatodon (Nordenskjoldia)
"Nordenskjoeldia sp." = Grammatodon (Nordenskjoldia) Wilckens 1910 clam
 Ostreida - Pinnidae
Pinna sp. Linnaeus 1758 oyster
 Mytilida - Mytilidae
Modiolus sp. Lamarck 1801 mussel
 Cardiida - Lahillidae
Lahillia sp. Cossmann 1899 clam
 Hiatellida - Hiatellidae
Panopea sp. Menard 1807 clam
 Trigoniida - Trigoniidae
Trigonia sp. Bruguière 1789 clam
 Protobranchia - Solemyidae
Solemya sp. Children 1823 Awning Clam
Gastropoda
 Stromboidea - Aporrhaidae
Perissoptera sp. Tate 1865 snail
 Tonnoidea - Cassidae
""Cassidaria" sp." = Galeodea
""Cassidaria" sp." = Galeodea Link 1807 snail
 Seguenzioidea - Eucyclidae
"Amberleya" sp. Morris and Lycett 1851 snail
Cephalopoda
 Ammonitida - Kossmaticeratidae
Gunnarites antarcticus Weller 1903 ammonite
Echinoidea
 Cidaroida - Cidaridae
Cyathocidaris sp. pencil urchin
 Holasteroida -
 Spatangoida - Hemiasteridae
Hemiaster vomer heart urchin