Coy Inlet (Miocene of Argentina)

Also known as Boca del Coyle, Río Coyle, Puerto Coyle

Where: Santa Cruz, Argentina (51.0° S, 69.2° W: paleocoordinates 51.6° S, 63.5° W)

• coordinate stated in text

• local area-level geographic resolution

When: Santa Cruz Formation, Santacrucian (17.5 - 16.3 Ma)

• Novo et al 2018: Santa Cruz Formation, late-early Miocene (Burdigalian Age) (see Marshall 1976; Tauber 1997; Buffetaut 2014), approximately 16.1-16.5 Ma (Fleagle et al. 2012) (Fig. 1).

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: mesofossils

Collected by C. Ameghino, J.B. Hatcher, B. Brown, E.S. Riggs & Tournouër

Primary reference: S. F. Vizcaíno, R. F. Kay, and M. S. Bargo. 2012. Background for a paleoecological study of the Santa Cruz Formation (late Early Miocene) on the Atlantic Coast of Patagonia. In S. F. Vizcaí­no, R. F. Kay, M. S. Bargo (eds.), Early Miocene Paleobiology in Patagonia: High-Latitude Paleocommunities of the Santa Cruz Formation 1-22 [J. Zijlstra/J. Zijlstra/J. Zijlstra]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 176576: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 17.02.2016, edited by Miranta Kouvari and Grace Varnham

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Notoungulata - Interatheriidae
Protypotherium praerutilum4 Ameghino 1887 notoungulate
YPM-VPPU 15386, cranium, mandible, humerus, femur, tibia
Interatherium excavatum4 Ameghino 1889 notoungulate
YPM-VPPU 15043, cranium and mandible
"Interatherium robustum" = Interatherium extensus4 Fernández et al. 2023 notoungulate
YPM-VPPU 15293, cranium
 Notoungulata - Toxodontidae
Nesodon imbricatus4 Owen 1846 notoungulate
YPM-VPPU 15215, cranium, mandible; 15967, femur, tibia
Adinotherium ovinum4 Owen 1846 notoungulate
YPM-VPPU 1531, humerus, ulna, femur, tibia
 Astrapotheria - Astrapotheriidae
Astrapotherium sp.5 Burmeister 1879 placental
MLP 38-X-30-1, partial skull
Astrapotherium magnum5 Owen 1853 placental
FMNH P14259, skull and jaw
 Megatherioidea - Megalonychidae
Hapalops sp.1 Ameghino 1887 edentate
YPM-VPPU 15005, incomplete postcranial skeleton; YPM-VPPU 15813, scapula; YPM-VPPU 15264, mandible and postcrania
 Theriamorpha -
Stegotherium tauberi9 Gonzalez and Scilalto-Yané 2008 edentate
YPM-VPPU 15566, skull and postcrania ("Coy Inlet?") see also ref 70052
 Cingulata - Peltephilidae
Peltephilus pumilus9 Ameghino 1887 edentate
YPM-VPPU 15391
 Cingulata - Chlamyphoridae
Prozaedyus sp.9 Ameghino 1891 edentate
YPM-VPPU 15604, skull and humerus
Prozaedyus proximus9 Ameghino 1887 edentate
YPM-VPPU 15567, skull and pes
 Cingulata - Dasypodidae
"Proeutatus lagena" = Eutatus lagena9
"Proeutatus lagena" = Eutatus lagena9 Ameghino 1887 armadillo
YPM-VPPU 15613, skull, mandible, postskeleton
 Panameriungulata - Proterotheriidae
"Tetramerorhinus mixtum" = Proterotherium australe4 Burmeister 1879 placental
YPM-VPPU 15017, humerus, ulna
Diadiaphorus majusculus4 Ameghino 1887 placental
YPM-VPPU 15799, mandible
Thoatherium minusculum4 Ameghino 1887 placental
YPM-VPPU 15240, cranium; 15714, mandible; 15719, mandible; 15724, cranium
 Primates - Homunculidae
Homunculus patagonicus7 Ameghino 1891 monkey
MNHN.F.SCZ215 is labeled as “Homunculus // Coyle 1902-6”
 Sparassodonta -
Cladosictis patagonica6 Ameghino 1887 metatherian
PU 15704 = CMNH 2893, dentary p2-m4
 Sparassodonta - Borhyaenidae
Borhyaena tuberata8 Ameghino 1887 metatherian
FMNH 13253, 13266; USNM 15701
 Paucituberculata - Palaeothentidae
Acdestis oweni2 Ameghino 1887 marsupial
Aves
 Anseriformes -
Brontornis burmeisteri3 Moreno and Mercerat 1891 waterfowl
MNHN 1902-6, incomplete mandible