IAA 2/95 (Eocene of Antarctica)

Also known as marsupial site

Where: Seymour Island, Antarctica (64.2° S, 56.7° W: paleocoordinates 63.4° S, 63.8° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: TELM 5 Member (La Meseta Formation), Ypresian (56.0 - 47.8 Ma)

• Cucullaea I allomember of the La Meseta Formation (this is the alternative division system of the La Meseta Fm. to the TELM system)

Environment/lithology: terrestrial; lithology not reported

Size class: mesofossils

Primary reference: S. F. Vizcaino, M. A. Reguero, S. A. Marenssi and S. N. Santillana. 1997. New land mammal-bearing localities from the Eocene La Meseta Formation, Seymour Island, Antarctica. The Antarctic Region: Geological Evolution and Processes 997-1000 [J. Zijlstra/J. Zijlstra]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 176085: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 27.01.2016, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Carchariniformes - Triakidae
Meridiogaleus cristatus4 Engelbrecht et al. 2017 hound shark
Kallodentis rhytistemma4 Engelbrecht et al. 2017 hound shark
Mustelus sp.4 hound shark
 Pristiophoriformes - Pristiophoridae
Pristiophorus laevis n. sp.3 Engelbrecht et al. 2017 saw shark
Actinopteri
 Argentiniformes - Argentinidae
Argentina antarctica n. sp.6 Schwarzhans et al. 2017
 Beryciformes - Trachichthyidae
Notoberyx cionei n. gen. n. sp.6
Notoberyx cionei n. gen. n. sp.6 Schwarzhans et al. 2017
 Perciformes - Cepolidae
Cepola anderssoni n. sp.6 Schwarzhans et al. 2017 perch-like fish
 Spariformes - Sparidae
? Sparidae indet.6 Cuvier 1817
 Gadiformes - Moridae
Tripterophycis immutatus6 Schwarzhans 1980
 Myctophiformes - Myctophidae
Diaphus marambionis n. sp.6 Schwarzhans et al. 2017 lanternfish
 Aulopiformes - Chlorophthalmidae
Paraulopus sp.6 Sato and Nakabo 2002
Mammalia
 Ungulata - Sparnotheriodontidae
Notolophus arquinotiensis1 Bond et al. 2006 eutherian
MLP 96-I-5-5, left upper incisiviform (I1?)
 Polydolopimorphia - Polydolopidae
Antarctodolops dailyi2 metatherian
MLP 94-III-15-254, MLP 95-I-10-3, MLP 96-I-5-1, MLP 96-I-5-2, MLP 96-I-5-3, MLP 96-I-5-4
 Theriiformes - Derorhynchidae
Pauladelphys juanjoi n. sp.5 Goin et al. 1999 marsupial
MLP 95-1-10-2, an isolated lower molar (m?3; Figs. 4A-C).