PBDB Collection

Bahia Solano vertebrates (Eocene of Argentina)

Where: Chubut, Argentina (45.7° S, 67.4° W: paleocoordinates 48.2° S, 57.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Casamayoran mammal zone, Casamayoran (56.0 - 48.0 Ma)

• "Casamayoran" SALMA (now subdivided into the Vacan and Barrancan SALMAs, both of Middle Eocene age).

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Scarritt Expedition in 1931; reposited in the AMNH

Primary reference: L. G. Marshall. 1982. Systematics of the extinct South American marsupial family Polydolopidae. Fieldiana Geology 12:1-109 [R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 175743: authorized by Richard Butler, entered by Richard Butler on 09.01.2016, edited by Jelle Zijlstra and Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Mammalia
Notoungulata - Notostylopidae	Notostylops sp.¹ Notostylops sp.¹ Ameghino 1897 notoungulate AMNH 28609, m3; 28612, p4-m1. From "barranca de la Bahia Solano", Vera et al. (2015, ref. 58073) list • MGP-PD 29062: A, right P3-M2; B, mandible with left m3; C, mandible with left m2-3; D, mandible with left m2-3; E, fragments of mandible and maxilla; MGP-PD 29111: maxilla with right P4-M2; MGP-PD 29121: left m1-3.
Notoungulata - Archaeopithecidae	Archaeopithecus rogeri² Archaeopithecus rogeri² Ameghino 1897 notoungulate MGP 31595-31607
Notoungulata - Isotemnidae	Pleurostylodon sp.³, Thomashuxleya sp.³ Pleurostylodon sp.³ Ameghino 1897 notoungulate MGP-PD 29072: left m1; MGP-PD 29095: right m1? Thomashuxleya sp.³ Ameghino 1901 notoungulate MGP-PD 29091: A, right m3?; B, left p3?
Notoungulata - Notopithecidae	Antepithecus brachystephanus³ Antepithecus brachystephanus³ Ameghino 1901 notoungulate MGP-PD 31585: right M1
Notoungulata - Oldfieldthomasiidae	Oldfieldthomasia sp.³ Oldfieldthomasia sp.³ Ameghino 1901 notoungulate MGP-PD 29055, m3
Panameriungulata - Proterotheriidae	Anisolambda sp.³ Anisolambda sp.³ Ameghino 1901 placental MGP-PD 31590, M3
Panameriungulata - Didolodontidae	Didolodus sp.¹, Didolodus multicuspis¹ Didolodus sp.¹ Ameghino 1897 placental AMNH 28478, m3 Didolodus multicuspis¹ Ameghino 1897 placental AMNH 28899, M1-2
Cingulata - Dasypodidae	Dasypodidae indet.³ Dasypodidae indet.³ Gray 1821 armadillo MGP-PD 31620, astragalus, cf. Peltephilidae
Polydolopimorphia - Polydolopidae	Eudolops tetragonus Eudolops tetragonus Ameghino 1897 metatherian AMNH 28430

¹Simpson 1948; ²Vera 2017; ³Vera et al. 2015