Lachmann Crags Member, Santa Marta Formation (Cretaceous of Antarctica)

Where: Antarctica (63.9° S, 57.9° W: paleocoordinates 61.7° S, 68.5° W)

When: Campanian (83.6 - 72.1 Ma)

Environment/lithology: basinal (); fine-grained sandstone and quartzite

• member included shelly coquinas, environment also described as being deposited above storm wave base at an inner shelf depth

Size class: macrofossils

Primary reference: R. M. Feldmann, D. M. Tshudy, and M. R. A. Thomson. 1993. Late Cretaceous and Paleocene decapod crustaceans from james Ross Basin Antarctic Peninsula. The Paleontological Society Memoir 28 [C. Schweitzer/E. Johnson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 140172: authorized by Carrie Schweitzer, entered by Evaline Johnson on 04.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca
 Decapoda - Nephropidae
Hoploparia antartica clawed lobster
Wilckens, 1907
Hoploparia stokesi Weller 1903 clawed lobster
(Weller, 1903)
Metanephrops rossensis Feldmann 1989 clawed lobster
Feldmann, Tshudy, and Thomson, 1993
Metanephrops jenkinsi Feldmann 1989 clawed lobster
Feldmann, 1989
 Decapoda -
Torynomma australis Feldmann et al. 1993 decapod
Feldmann, Tshudy, and Thomson, 1993
 Decapoda - Palinuridae
Linuparus macellarii Feldmann and Tshudy 1988 spiny lobster
Feldmann, Tshudy, and Thomson, 1993
 Decapoda - Diogenidae
Paguristes santamartaensis Feldmann et al. 1993 hermit crab
Feldmann, Tshudy, and Thomson, 1993
 Decapoda - Munidopsidae
Munidopsis foersteri Feldmann 1993 decapod
Feldmann, Tshudy, and Thomson, 1993
 Decapoda - Retrorsichelidae
Retrorsichela laevis Feldmann et al. 1993 decapod
Feldmann, Tshudy, and Thomson, 1993
 Decapoda - Glypheidae
Glyphea australensis Feldmann et al. 1993 decapod
Feldmann, Tshudy, and Thomson, 1993
 Decapoda - Mecochiridae
Meyeria crofti Ball 1960 decapod
Ball, 1960
 Decapoda - Callianassidae
Callianassa meridionalis Ball 1960 decapod
Ball, 1960
 Decapoda - Poupiniidae
Rhinopoupinia bicornis Feldmann et al. 1993 crab
Feldmann, Tshudy, and Thomson, 1993
 Decapoda - Goniodromitidae
Plagiophthalmous collinsi crab
Feldmann, Tshudy, and Thomson, 1993
 Decapoda - Raninidae
Cristafrons praescientis Feldmann et al. 1993 crab
Feldmann, Tshudy, and Thomson, 1993
 Decapoda - Necrocarcinidae
Necrocarcinus wrighti Feldmann et al. 1993 crab
Feldmann, Tshudy, and Thomson, 1993
Necrocarcinus carinatus Feldmann et al. 1993 crab
Feldmann, Tshudy, and Thomson, 1993