PBDB Collection

Lago Musters (Eocene of Argentina)

Also known as Cretáceo superior de Lago Musters, C.S.M.

Where: Chubut, Argentina (45.2° S, 68.8° W)

• Paleocoordinates: 46.3° S, 60.1° W (Wright 2013)

• coordinate estimated from map

• local area-level geographic resolution

When: Mustersan zone, Mustersan (48.0 - 42.0 Ma)

• Mustersan SALMA, Late Eocene (Woodburne et al. 2014) (and not Cretaceous as thought by Roth)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Roth in c. 1900

Primary reference: G. G. Simpson. 1967. The Ameghinos' localities for early Cenozoic mammals in Patagonia. Bulletin of the Museum of Comparative Zoology 136:63-76 [J. Zijlstra/J. Zijlstra]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 176290: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 06.02.2016, edited by Miranta Kouvari

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names

Mammalia
Notoungulata - Notostylopidae	Otronia muehlbergi n. gen. n. sp.² Otronia muehlbergi n. gen. n. sp.² Roth 1902 notoungulate MLP 12-1731, dentary with i2, p4, m2-3, probable type; MLP 12-1730, partial skull; MLP 12-2283, premaxilla with I1-3
Notoungulata - Notopithecidae	"Notopithecinae indet." = Notopithecidae³, "Guilielmoscottia plicifera" = Guilielmoscottia plicifera³, "? Notopithecus amplidens" = Guilielmoscottia plicifera³ "Notopithecinae indet." = Notopithecidae³ Ameghino 1897 notoungulate ? Notopithecus amplidens or Guilielmoscottia plicifera. MLP 12-2279, dentary p3-m3; MLP 12-2288, dentary p4-m3. "Guilielmoscottia plicifera" = Guilielmoscottia plicifera³ Ameghino 1901 notoungulate MLP 12-2183, upper molar "? Notopithecus amplidens" = Guilielmoscottia plicifera³ Ameghino 1901 notoungulate MLP 12-2183, M1; MLP 12-2281, right upper teeth, probably P2-M1
Notoungulata - Notohippidae	Puelia plicata n. gen. n. sp.³ Puelia plicata n. gen. n. sp.³ Roth 1902 notoungulate MLP 12-1536, maxilla C-P1, type; MLP 12-1534, maxilla P1-M3; MLP 12-1533, maxilla P2-M1
Notoungulata -	"Periphragnis harmeri n. gen. n. sp." = Periphragnis harmeri³, "Lemudeus angustidens n. gen. n. sp." = Periphragnis harmeri¹, "Calodontotherium varietatum n. sp." = Periphragnis harmeri¹, "Tehuelia regia n. gen. n. sp." = Periphragnis harmeri³, "Thomashuxleya rankei n. sp." = Periphragnis harmeri³, "Calodontotherium palmeri n. sp." = Periphragnis palmeri¹, "Periphragnis cristatus n. sp." = Periphragnis palmeri¹ "Periphragnis harmeri n. gen. n. sp." = Periphragnis harmeri³ Roth 1899 notoungulate MLP 12-1769, palate and left zygoma with left P2-M3 and right P2-M2, type; MLP 12-1708, 12-1762, 12-1759, 12-1754, 12-1753, 12-1709, 12-1745, 12-1757, 12-1716, 12-1714, 12-1712, and types of synonyms "Lemudeus angustidens n. gen. n. sp." = Periphragnis harmeri¹ Roth 1899 notoungulate MLP 12-2208, P4 (see also ref 10312) "Calodontotherium varietatum n. sp." = Periphragnis harmeri¹ Roth 1899 notoungulate MLP 12-2197, maxillary fragments with P3-4 and M1-2 (see also ref 10312) "Tehuelia regia n. gen. n. sp." = Periphragnis harmeri³ Roth 1899 notoungulate MLP 12-1771, partial skull, and lower jaw with right c-m2 and left c, p3-m3 "Thomashuxleya rankei n. sp." = Periphragnis harmeri³ Roth 1899 notoungulate MLP 12-1715, lower jaw "Calodontotherium palmeri n. sp." = Periphragnis palmeri¹ Roth 1904 notoungulate MLP 12-1737, maxilla M1-2, type (see also ref 10312) "Periphragnis cristatus n. sp." = Periphragnis palmeri¹ Roth 1904 notoungulate MLP 12-1705, maxilla P2-M1 and dentary p3-m3 (lectotype) (see also ref 10312)
Notoungulata - Isotemnidae	"Stylophorus alouatinus n. gen. n. sp." = Distylophorus alouatinus³, Lafkenia sulcifera n. gen. n. sp.³, Trigonolophodon modicus n. sp.¹, "Rhyphodon lankesteri n. gen. n. sp." = Rhyphodon lankesteri³, "Pehuenia wehrlii n. gen. n. sp." = Rhyphodon lankesteri³, "Setebos terribilis n. gen. n. sp." = Rhyphodon lankesteri³, "Lemudeus proportionalis n. sp." = Rhyphodon lankesteri¹, "Pehuenia insigna n. sp." = Rhyphodon lankesteri¹, Pehuenia magna n. sp.¹, Eurystephanodon crassatus n. sp.³, Colhuelia fruhi n. gen. n. sp.³, Colhuapia rosei n. gen. n. sp.³, Lafkenia schmidti n. sp.³ "Stylophorus alouatinus n. gen. n. sp." = Distylophorus alouatinus³ Roth 1902 notoungulate MLP 12-2210, right lower dentition, probable type (see Simpson 1967:175). Lafkenia sulcifera n. gen. n. sp.³ Roth 1902 notoungulate MLP 12-1461, probably a deciduous upper tooth Trigonolophodon modicus n. sp.¹ Roth 1904 notoungulate MLP 12-2190, upper molar (see also ref 10312) "Rhyphodon lankesteri n. gen. n. sp." = Rhyphodon lankesteri³ Roth 1899 notoungulate MLP 12-1717, partial skull (lectotype) and lower jaw; MLP 12-1718, lower jaw; MLP 12-1729, lower jaw; MLP 12-1720, lower jaw; MLP 12-1719, lower jaw; MLP 12-1721, lower jaw "Pehuenia wehrlii n. gen. n. sp." = Rhyphodon lankesteri³ Roth 1899 notoungulate MLP 12-2186, palate and part of skull "Setebos terribilis n. gen. n. sp." = Rhyphodon lankesteri³ Roth 1899 notoungulate MLP 12-1744, skull "Lemudeus proportionalis n. sp." = Rhyphodon lankesteri¹ Roth 1899 notoungulate MLP 12-2212, P3 (see also ref 10312) "Pehuenia insigna n. sp." = Rhyphodon lankesteri¹ Roth 1899 notoungulate MLP 12-1575, skull fragment (see also ref 10312) Pehuenia magna n. sp.¹ Roth 1904 notoungulate MLP 12-2189, upper molar (see also ref 10312) Eurystephanodon crassatus n. sp.³ Roth 1903 notoungulate MLP 12-1600, broken upper molar Colhuelia fruhi n. gen. n. sp.³ Roth 1902 notoungulate MLP 12-2216, ?dP2; MLP 2215, right upper tooth; MLP 12-2214, left upper tooth Colhuapia rosei n. gen. n. sp.³ Roth 1902 notoungulate MLP 12-2221, ?dP3; MLP 12-2222, ?dP4 Lafkenia schmidti n. sp.³ Roth 1902 notoungulate MLP 12-2188, maxilla fragment with probably dP2-3 or dP3-4
Notoungulata -	Heterolophodon ampliatus n. gen. n. sp.¹, Ortholophodon prolongus n. gen. n. sp.³, Degonia sympathica n. sp.³ Heterolophodon ampliatus n. gen. n. sp.¹ Roth 1904 notoungulate MLP 12-2194, upper molar (see also ref 10312) Ortholophodon prolongus n. gen. n. sp.³ Roth 1902 notoungulate MLP 12-2205, lower premolar Degonia sympathica n. sp.³ Roth 1902 notoungulate Type not relocated by Simpson (1967), but said to be an upper molar
Notoungulata - Archaeohyracidae	"Pseudhyrax eutrachytheroides" = Pseudhyrax eutrachytheroides³, "Degonia kollmanni n. gen. n. sp." = Pseudhyrax eutrachytheroides³, "Pseudopithecus modestus n. gen. n. sp." = Pseudhyrax eutrachytheroides³, "Rankelia elegans n. gen. n. sp." = Pseudhyrax eutrachytheroides³, Pseudhyrax strangulatus³ "Pseudhyrax eutrachytheroides" = Pseudhyrax eutrachytheroides³ Ameghino 1901 notoungulate MLP 12-1740, dentary p2-m3; MLP 12-1741, dentary m1-3; MLP 12-1590, dentary p4-m3; MLP 12-1594, dentary p2-m1; MLP 12-1591, dentary p2-m1; MLP 12-1592, dentary m1-3; MLP 12-1582, dentary p4-m3 "Degonia kollmanni n. gen. n. sp." = Pseudhyrax eutrachytheroides³ Ameghino 1901 notoungulate MLP 12-2199, three upper molars "Pseudopithecus modestus n. gen. n. sp." = Pseudhyrax eutrachytheroides³ Ameghino 1901 notoungulate MLP 12-2200, maxilla with ?dP2-4 "Rankelia elegans n. gen. n. sp." = Pseudhyrax eutrachytheroides³ Ameghino 1901 notoungulate MLP 12-2286, M?2 Pseudhyrax strangulatus³ Ameghino 1901 notoungulate MLP 12-2198, dentary p4-m3
Astrapotheria -	Grypolophodon imperfectus n. sp.³, Notorhinus denticulatus n. sp.¹, Grypolophodon morenoi n. gen. n. sp.¹ Grypolophodon imperfectus n. sp.³ Roth 1904 placental MLP 12-1460, upper tooth Notorhinus denticulatus n. sp.¹ Roth 1904 placental Upper molar, not relocated by Simpson (1967) Grypolophodon morenoi n. gen. n. sp.¹ Roth 1904 placental MLP 12-1472, upper premolar (see also ref 10312)
Astrapotheria - Trigonostylopidae	Staurodon supernus n. sp.³, "Staurodon gegenbauri n. gen. n. sp." = Trigonostylops gegenbauri³ Staurodon supernus n. sp.³ Roth 1899 placental MLP 12-2223, canine (and other teeth not conspecific); lectotype m3 not relocated in MLP by Simpson (1967) "Staurodon gegenbauri n. gen. n. sp." = Trigonostylops gegenbauri³ Roth 1899 placental MLP 12-1736, mandible with left p4-m3 and both canines
Astrapotheria - Astrapotheriidae	"Helicolophodon giganteus n. gen. n. sp." = Parastrapotherium holmbergi¹, "Megalophodon dilatatus n. sp." = Astraponotus dilatatus¹, "Notamynus holdichi n. gen. n. sp." = Astraponotus holdichi¹, "Notamynus dicksoni n. sp." = Astraponotus dicksoni¹, "Megalophodon thompsoni n. gen. n. sp." = Astraponotus thompsoni¹ "Helicolophodon giganteus n. gen. n. sp." = Parastrapotherium holmbergi¹ Ameghino 1894 placental "Megalophodon dilatatus n. sp." = Astraponotus dilatatus¹ Roth 1904 placental MLP 12-2182, upper molar (see also ref 10312) "Notamynus holdichi n. gen. n. sp." = Astraponotus holdichi¹ Roth 1904 placental MLP 12-1471, two upper molars (including lectotype) and two lowers (see also ref 10312) "Notamynus dicksoni n. sp." = Astraponotus dicksoni¹ Roth 1904 placental MLP 12-2217, upper molar (see also ref 10312) "Megalophodon thompsoni n. gen. n. sp." = Astraponotus thompsoni¹ Roth 1904 placental MLP 12-2181, upper molar (see also ref 10312)
Astrapotheria -	Notorhinus haroldi n. gen. n. sp.¹, Blastoconus robertsoni n. gen. n. sp.¹, Grypolophodon tuberculosis n. sp.¹ Notorhinus haroldi n. gen. n. sp.¹ Roth 1904 placental Upper molar, not relocated by Simpson (1967) (see also ref 10312) Blastoconus robertsoni n. gen. n. sp.¹ Roth 1904 placental MLP 12-2207, upper premolar; three other doubtfully referred teeth (see also ref 10312) Grypolophodon tuberculosis n. sp.¹ Roth 1904 placental MLP 12-2180, partial upper premolar (see also ref 10312)
Cingulata - Dasypodidae	Pseudeutatus depictus², "Meteutatus rigidus" = Barrancatatus rigidus² Pseudeutatus depictus² Ameghino 1902 armadillo MLP, Roth collection (Simpson 1948:92) "Meteutatus rigidus" = Barrancatatus rigidus² Ameghino 1902 armadillo MLP, Roth collection (Simpson 1948:78)
Panameriungulata - Proterotheriidae	"Megacrodon prolixus n. sp." = Xesmodon prolixus², Polyacrodon ligatus n. gen. n. sp.², Polyacrodon lanciformis n. sp.², Heteroglyphis dewoletzky n. gen. n. sp.² "Megacrodon prolixus n. sp." = Xesmodon prolixus² Roth 1899 placental MLP 12-1743, lower jaw with p3-4 Polyacrodon ligatus n. gen. n. sp.² Roth 1899 placental MLP 12-2169, right upper molar Polyacrodon lanciformis n. sp.² Roth 1899 placental MLP 12-2170, left upper molar Heteroglyphis dewoletzky n. gen. n. sp.² Roth 1899 placental MLP 12-1462, broken upper molar
Panameriungulata -	Proacrodon transformatus n. gen. n. sp.², Lambdaconus elegans n. sp.¹ Proacrodon transformatus n. gen. n. sp.² Roth 1899 placental Type lost. A single lower cheek tooth. Lambdaconus elegans n. sp.¹ Roth 1904 placental Type lost. "A mandible of a young animal changing its milk teeth" (ref 10369).
Panameriungulata - Macraucheniidae	"Megacrodon planus n. gen. n. sp." = Polymorphis planus², Polymorphis lechei n. gen. n. sp.² "Megacrodon planus n. gen. n. sp." = Polymorphis planus² Roth 1899 placental MLP 12-1732, symphysis and nearly complete right ramus with crown of m3 Polymorphis lechei n. gen. n. sp.² Roth 1899 placental MLP 12-2168, left lower jaw and symphysis with left i1-m3 and right i1-3
Sparassodonta - Borhyaenidae	"Plesiofelis schlosseri n. gen. n. sp." = Plesiofelis schlosseri¹, "Plesiofelis cretaceus n. sp." = Plesiofelis schlosseri¹ "Plesiofelis schlosseri n. gen. n. sp." = Plesiofelis schlosseri¹ Roth 1904 metatherian MLP 11-114, mandible p2-m4, holotype (see also ref 10369) "Plesiofelis cretaceus n. sp." = Plesiofelis schlosseri¹ Roth 1904 metatherian MLP, Roth Collection, part of left mandible with m4, holotype (see also ref 10369)
-	Trilobodon brancoi n. gen. n. sp.³, Isolophodon aplanatus n. sp.¹, Prostylophorus margeriei n. gen. n. sp.³, Eutrochodon inceptus n. gen. n. sp.¹ Trilobodon brancoi n. gen. n. sp.³ Roth 1902 mammal MLP 12-1465, incisor Isolophodon aplanatus n. sp.¹ Roth 1904 mammal MLP 12-2193, lower molar (see also ref 10312) Prostylophorus margeriei n. gen. n. sp.³ Roth 1902 mammal MLP 12-2211, incisor Eutrochodon inceptus n. gen. n. sp.¹ Roth 1904 mammal MLP, uncatalogued, isolated tooth (see also ref 10312)

¹Roth 1904; ²Simpson 1948; ³Simpson 1967