Cape Lamb (200 m) (Cretaceous of Antarctica)

Where: Antarctica (63.9° S, 57.6° W: paleocoordinates 62.2° S, 68.0° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Cape Lamb Member (Snow Hill Island Formation), Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• Sequence NG (Neograhamites-Gunnarites) Assemblage 10

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified mudstone

• The Cape Lamb Member of the Snow Hill Island Formation consists of 319 m of heavily bioturbated silty mudstones to silty sandstones with abundant diagenetic concretions

Size class: macrofossils

Collection methods: mechanical

Primary reference: J. P. O'Gorman, E. B. Olivero, and D. A. Cabrera. 2012. Gastroliths associated with a juvenile elasmosaur (Plesiosauria, Elasmosauridae) from the Snow Hill Formation (upper Campanian-lower Maastrichtian), Vega Island, Antarctica. Alcheringa 36(4):531-541 [P. Mannion/J. Tennant/F. Aspromonte]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 141244: authorized by Philip Mannion, entered by Jonathan Tennant on 22.03.2013, edited by Philip Mannion and Franco Aspromonte

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Squamata - Mosasauridae
cf. Plioplatecarpus sp.1
cf. Plioplatecarpus sp.1 Dollo 1882 mosasaur
MLP 93-I-3-5, small tooth
 Plesiosauria - Elasmosauridae
Elasmosauridae indet., Vegasaurus molyi n. gen. n. sp.2
Elasmosauridae indet. Cope 1869 elasmosaur
MLP 98-I-10-20, an incomplete postcranial skeleton (juvenile)
Vegasaurus molyi n. gen. n. sp.2 O'Gorman et al. 2015 elasmosaur
MLP 93-I-5-1(holotype), postcranial skeleton preserving a complete cervical region with 54 cervical vertebrae, three pectoral vertebrae, 17 dorsal vertebrae, three sacral vertebrae, anterior and medial caudal vertebrae, pectoral and pelvic girdles, forelimbs and hind limbs, ribs, and gastroliths
1Fernández and Gasparini 2012; 2O'Gorman et al. 2015