Seymour Island 8 (Cretaceous of Antarctica)

Where: Seymour Island, Antarctica (64.3° S, 56.8° W: paleocoordinates 62.5° S, 67.5° W)

• small collection-level geographic resolution

When: Lopez de Bertodano Formation, Maastrichtian (72.1 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; burrowed, gray, silty sandstone

Primary reference: C. E. Macellari. 1988. Stratigraphy, sedimentology, and paleoecology of Upper Cretaceous/Paleocene shelf-deltaic sediments of Seymour Island. Geological Society of America-Memoir 169:25-53 [M. Patzkowsky/K. Layou/M. Uhen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 3161: authorized by Mark Patzkowsky, entered by Karen Layou on 27.07.1999, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Labile larseni
originally entered as "Lahilla larseni"
Anthozoa
  -
Anthozoa indet. Ehrenberg 1834
Gastropoda
 Sorbeoconcha - Naticidae
 Sorbeoconcha - Aporrhaidae
"Perissoptera nordenskjoldi" = Struthiochenopus nordenskjoldi
"Perissoptera nordenskjoldi" = Struthiochenopus nordenskjoldi Wilckens 1910 snail
 Neogastropoda - Fasciolariidae
 Sorbeoconcha - Cassidae
"Cassidaria mirabilis" = Galeodea
"Cassidaria mirabilis" = Galeodea snail
 Seguenzioidea - Eucyclidae
Cephalopoda
 Ammonitida - Pachydiscidae
Pachydiscus riccardi Macellari 1986 ammonite
 Ammonitida - Desmoceratidae
Kitchinites laurae Macellari 1986 ammonite
 Ammonitida - Kossmaticeratidae
Maorites densicostatus Kilian and Reboul 1909 ammonite
Grossouvrites joharae Salazar et al. 2010 ammonite
originally entered as "Grossourvrites gemmatus"
 Ammonitida - Tetragonitidae
"Anagaudryceras seymouriense" = Gaudryceras seymouriense
"Anagaudryceras seymouriense" = Gaudryceras seymouriense Macellari 1986 ammonite
Bivalvia
 Nuculida - Nuculidae
"Nucula suboblonga" = Nucula (Leionucula) suboblonga
"Nucula suboblonga" = Nucula (Leionucula) suboblonga Wilckens 1907 nut clam
 Ostreida - Malleidae
 Arcida - Cucullaeidae
Cucullaea antarctica Wilckens 1907 clam
 Trigoniida - Myophorelloidae
 Trigoniida - Trigoniidae
 Hiatellida - Hiatellidae
Panopea clausa Wilckens 1910 clam
 Pholadomyida - Pholadomyidae
Scaphopoda
  -
Scaphopoda indet. Bronn 1862 tusk shell
Sedentaria
 Sabellida - Serpulidae