Where: 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); Bona et al 2010 identify the age as Middle Eoecene
• member-level stratigraphic resolution
Environment/lithology: estuary or bay; lithology not reported
Size class: macrofossils
Primary reference: M. S. Bargo and M. A. Reguero. 1998. Annotated catalogue of the fossil vertebrates from Antarctica housed in the Museo de la Plata, Argentina. I. Birds and Land Mammals from La Meseta Formation (Eocene - Early Oligocene). Associacion Paleontologica Argentina, Publicacion Especial 5:211-221 [M. Uhen/M. Uhen]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 100414: authorized by Mark Uhen, entered by Mark Uhen on 09.12.2010, edited by Jelle Zijlstra and Evangelos Vlachos
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Mammalia | |
Notolophus arquinotiensis4 Bond et al. 2006 placental MLP 90-I-20-1, left upper molariform (M1 or M2?), MLP 01-I-1-1, right m3, MLP 90-I-20-3, right I3?, MLP 90-I-20-5, left upper premolar incomplete (P2 or P3?), MLP 91-II-4-5, right upper premolar (P1), MLP 94-III-15-3, left lower incisive
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Perrodelphys coquinense n. gen. n. sp.11
Perrodelphys coquinense n. gen. n. sp.11 Goin et al. 1999 metatherian MLP 96-1-5-11, an isolated left lower molar (m?l; Figs. 8A-C).
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? Polydolopidae indet., Polydolops dailyi, Polydolops seymoureinsis, Polydolops sp., Antarctodolops mesetaense n. sp.5
? Polydolopidae indet. Ameghino 1897 metatherian
Polydolops dailyi metatherian
Polydolops seymoureinsis metatherian
Antarctodolops mesetaense n. sp.5 Chornogubsky et al. 2009 metatherian Holotype. MLP 96-I-5-12, a right dentary with p3-m3 (Fig. 5e). Hypodigm. MLP 92- II-2-1, an isolated left m2; MLP 94-III-15-13a, an isolated left m1; MLP 94-III-15-13b, an isolated left m3; MLP 96- I-5-46, an isolated right m3; MLP 95-I-10-4, an isolated left M1 (Fig. 5f). Tentatively referred specimen. MLP 90-I-20-4, an isolated P3.
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Pujatodon ektopos n. gen. n. sp.13
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Marambiotherium glacialis n. gen. n. sp.11
Marambiotherium glacialis n. gen. n. sp.11 Goin et al. 1999 marsupial MLP 95-1-10-1; a fragment of a right mandibular ramus with a complete m4 (Figs. 9A-C) and the posterior alveolus of m3.
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Didelphimorphia indet. Gill 1872 marsupial | |
Derorhynchidae indet.11, Derorhynchus minutus n. sp.11, Pauladelphys juanjoi11, "Xenostylus peninsularis n. gen. n. sp." = Xenostylos peninsularis11
Derorhynchus minutus n. sp.11 Goin et al. 1999 marsupial MLP 96-1-5-44, a fragment of the right horizontal ramus of the dentary, incomplete, with m2-3
"Xenostylus peninsularis n. gen. n. sp." = Xenostylos peninsularis11 Goin et al. 1999 marsupial MLP 94-111-15-10, an isolated upper right mola
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Microbiotheriidae indet. Ameghino 1887 marsupial | |
? Dasyuromorphia indet. Gill 1872 marsupial | |
cf. Sudamerica ameghinoi12 Scillato-Yane and Pascual 1984 mammal MLP 95-I-10-5 (Figs 2 A–C & 3A, B), anterior part of a left dentary with the rodent-like incisor partially preserved. Tentatively referred: MLP 96-I-5-47, an isolated ?left upper incisor (Fig. 3A, B) broken at its proximal end.
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Reptilia | |
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cf. Psephophorus sp.7 von Meyer 1847 leatherback an isolated epithecal plate; MLP 90-1-20-270/273, two isolated plates (IAA 1/90, TELM 5); MLP 95-1-10-11/12/13, fragments of epithecal plates (IAA 1/90, TELM 5)
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Aves | |
Charadriiformes indet. Huxley 1867 shorebird | |
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Procellariidae indet. Vigors 1825 petrel | |
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Spheniscidae indet. Bonaparte 1831 penguin | |
Archaeospheniscus wimani Marples 1953 penguin | |
Actinopteri | |
Centroberyx sp.15 Gill 1862 | |
? Haemulidae indet.15 Gill 1885 | |
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? Sparidae indet.15 Cuvier 1817 | |
Hoplobrotula antipoda n. sp.15
Hoplobrotula antipoda n. sp.15 Schwarzhans et al. 2017 | |
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Macruronus eastmani n. sp.15
Macruronus eastmani n. sp.15 Schwarzhans et al. 2017 | |
Chondrichthyes | |
Meridiogaleus cristatus n. gen. n. sp.9, Kallodentis rhytistemma n. gen. n. sp.9, Galeorhinus sp.9, Mustelus sp.9
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Malacostraca | |
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