PBDB Collection

10 miles south of Coy Inlet (Miocene of Argentina)

Also known as 15 km south of Coy Inlet

Where: Santa Cruz, Argentina (51.2° S, 69.1° W: paleocoordinates 51.8° S, 63.4° W)

• coordinate stated in text

• local area-level geographic resolution

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

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: mesofossils

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 176585: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 17.02.2016, edited by Miranta Kouvari

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Mammalia
Sparassodonta -	Sipalocyon gracilis⁴, "Cladosictis patagonica" = Cladosictis patagonica⁴, "Cladosictis petersoni n. sp." = Cladosictis patagonica⁴ Sipalocyon gracilis⁴ Ameghino 1887 metatherian PU 15312, lower jaw and upper teeth fragments; PU 15148, maxilla P1, P3-M4; PU 15029, skull and mandible; PU 15154, skull, postcrania "Cladosictis patagonica" = Cladosictis patagonica⁴ Ameghino 1887 metatherian PU 15015 = UCMP 26617, dentary c-m4; PU 15046, skull, mandible, partial skeleton; PU 15097, dentary c, dp3-m2, erupting m3, unerupted p3; PU 15170, skull, mandible, partial skeleton "Cladosictis petersoni n. sp." = Cladosictis patagonica⁴ Ameghino 1887 metatherian PU 15702, partial skull and skeleton, holotype
Sparassodonta - Borhyaenidae	Borhyaena tuberata⁵ Borhyaena tuberata⁵ Ameghino 1887 metatherian
Notoungulata - Interatheriidae	"Interatherium robustum" = Interatherium extensus³, Protypotherium praerutilum³ "Interatherium robustum" = Interatherium extensus³ Fernández et al. 2023 notoungulate YPM-VPPU 15202, humerus, tibia; 15296, cranium, mandible; 15300, cranium, mandible Protypotherium praerutilum³ Ameghino 1887 notoungulate YPM-VPPU 15161, femur, tibia
Notoungulata - Toxodontidae	Adinotherium ovinum³, Nesodon imbricatus³ Adinotherium ovinum³ Owen 1846 notoungulate YPM-VPPU 15004, humerus, ulna; 15127, femur; 15136, mandible; 15966, humerus Nesodon imbricatus³ Owen 1846 notoungulate YPM-VPPU 1500, mandible; 15336, cranium, mandible
Astrapotheria - Astrapotheriidae	Astrapotherium magnum³ Astrapotherium magnum³ Owen 1853 placental YPM-VPPU 15142, mandible; 15261, cranium; 15332, cranium and mandible
Cingulata - Peltephilidae	Peltephilus strepens⁶ Peltephilus strepens⁶ Ameghino 1887 edentate YPM-VPPU 15390, postcrania
Cingulata - Chlamyphoridae	Proeutatus robustus n. sp.⁶ Proeutatus robustus n. sp.⁶ Scott 1903 edentate YPM-VPPU 15214, skull and postcrania, type; YPM-VPPU 15957, skeleton
Megatherioidea -	Pelecyodon cristatus² Pelecyodon cristatus² Ameghino 1891 edentate YPM-VPPU 15049, skull
Megatherioidea - Megalonychidae	Hapalops angustipalatus², Hapalops elongatus², Hapalops ponderosus n. sp.², Hapalops indifferens², Eucholoeops fronto² Hapalops angustipalatus² Ameghino 1891 edentate YPM-VPPU 15562, skull and postcrania Hapalops elongatus² Ameghino 1891 edentate YPM-VPPU 15155, postcrania; 15160, skull and postcrania Hapalops ponderosus n. sp.² Scott 1903 edentate YPM-VPPU 15520, skull and postcrania, type Hapalops indifferens² Ameghino 1887 edentate YPM-VPPU 15110, skull, mandible, postcrania Eucholoeops fronto² Ameghino 1891 edentate YPM-VPPU 15314, mandible
Theriamorpha - Myrmecophagidae	Protamandua rothi² Protamandua rothi² Ameghino 1904 edentate FMNH 13134, astragalus, rib, vertebrae fragments (said by ref. 58233 to come from "La Costa farm, 8 miles south of Coyle"); YPM-VPPU 1567, partial skull
Rodentia -	Acarechimys minutissimus¹ Acarechimys minutissimus¹ Ameghino 1887 caviomorph YPM-PU 15178

¹Arnal et al. 2017; ²Bargo et al. 2012; ³Cassini et al. 2012; ⁴Marshall 1981; ⁵Prevosti et al. 2012; ⁶Vizcaíno et al. 2012