PBDB Collection

Fish bed - Duke locality (Miocene of Colombia)

Where: Huila, Colombia (3.2° N, 75.1° W: paleocoordinates 2.6° N, 72.6° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Laventan mammal zone, Villavieja Formation (Honda Group), Laventan (13.8 - 11.0 Ma)

• Fish Beds - Green claystone and mudstone is characterized by enormous quantities of disarticulated fish remains

Environment/lithology: terrestrial; lithology not reported

• The Fish Bed appears to be a lake or swamp deposit...at least 10 km in diameter

Size classes: macrofossils, mesofossils, microfossils

Collected by INGEOMINAS - Duke University in 1985 - 1991

Primary reference: J. Lundberg. 1997. Freshwater Fishes and their paleobiotic implications. In R. Kay, R. Madden, R. Cifelli, J. Flynn (eds.), Vertebrate Paleontology in the Neotropics. The Miocene Fauna from La Venta, Colombia 67-91 [A. Cardenas /L. Mora-Rojas/P. Holroyd]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 186683: authorized by Andrés Cárdenas, entered by Laura Mora-Rojas on 30.06.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Chondrichthyes
Myliobatiformes - Potamotrygonidae	cf. Potamotrygonidae indet. cf. Potamotrygonidae indet. stingray Gen. et sp. indet. Specimen nº 251283
Osteichthyes
Ceratodontiformes - Lepidosirenidae	Lepidosiren sp.¹, Lepidosiren paradoxa Lepidosiren sp.¹ Fitzinger 1837 Australian lungfish Specimen nº UCPM 113727, 113728, 113729, 113730, 1138015 Lepidosiren paradoxa Fitzinger 1837 South American lungfish Lungfish, Specimen n° IGM 183677, IGM 183568, 184078
Aves
Suliformes - Anhingidae	cf. Anhinga grandis⁶ cf. Anhinga grandis⁶ Martin and Mengel 1975 darter Specimen n° IGM 183485
Reptilia
Squamata -	Colubroidea indet.⁴ Colubroidea indet.⁴ Oppel 1811 snake Specimen nº IGM 184185
Squamata - Aniliidae	cf. Aniliidae indet.⁴ cf. Aniliidae indet.⁴ Fitzinger 1826 pipe snake Specimen nº IGM 183533
Mammalia
Megatherioidea - Megalonychidae	Megalonychidae indet.⁵ Megalonychidae indet.⁵ Gervais 1855 edentate Specimen n° IGM 183936
- Mylodontidae	"Pseudoprepotherium confusum" = Magdalenabradys confusum⁵ "Pseudoprepotherium confusum" = Magdalenabradys confusum⁵ Hirschfeld 1985 edentate Specimen n° IGM 183501, 183502, 184130, 184478
Panameriungulata - Macraucheniidae	Theosodon sp.² Theosodon sp.² Ameghino 1887 placental
Rodentia - Caviidae	Caviidae indet.⁷ Caviidae indet.⁷ Gray 1821 caviomorph Specimen n° IGM-DU 88-667a, IGM-DU 88-667b (these specimens were classified as Eodolichotis sp. or Prodolichotis sp.
Rodentia -	Microscleromys cribriphilus⁸, Microscleromys paradoxalis⁷, Microscleromys ? paradoxalis⁷ Microscleromys cribriphilus⁸ Walton 1990 caviomorph Specimens nº IGM 251020, IGM 250303, IGM 251018, IGM 250283, IGM 250320 Microscleromys paradoxalis⁷ Walton 1990 caviomorph Walton 1990 (Specimen n° IGM-DU 89-696, IGM-DU 88-823, IGM-DU 85-410, IGM-DU 89-671); Walton 1997 (Specimens nº IGM 250319, IGM 250308, IGM 250321, IGM 251040) Microscleromys ? paradoxalis⁷ Walton 1990 caviomorph Specimen n° IGM-DU 85-411
Rodentia - Echimyidae	Echimyidae indet.⁸ Echimyidae indet.⁸ Gray 1825 spiny rat Specimen n° IGM 250295 juvenile, right ?P4
Rodentia -	Acarechimys minutissimus⁷ Acarechimys minutissimus⁷ Ameghino 1887 caviomorph Walton 1990 - Specimen n° IGM-DU 89-692, IGM-DU 89-691, IGM-DU 89-690, IGM-DU 85-412, IGM-DU 89-683, UNC TAT 21
Chiroptera - Molossidae	Molossidae indet.³ Molossidae indet.³ Gervais 1856 free-tailed bat Specimen n° IGM 250331. 250332, 250338, 250996
Actinopteri
Cichliformes - Cichlidae	Cichlidae indet. Cichlidae indet. Heckel 1840 cichlid Specimen nº IGM 253282, 253283, 253284, 253285, 253286, 253287, 253288, 253289, 253290, 253291, 253292, 253293, 253298
Siluriformes - Callitrichtyidae	cf. Hoplosternum sp. cf. Hoplosternum sp. Lundberg 1997 catfish Specimen nº IGM 253268
Siluriformes - Siluridae	cf. Pimelodus sp. cf. Pimelodus sp. Lacepede catfish Specimen nº IGM 253272, 183541, 184099, 250426, 183606, 253273
Siluriformes - Pimelodidae	Brachyplatystoma cf. vaillanti, Phractocephalus hemiliopterus Brachyplatystoma cf. vaillanti Lundberg 1997 catfish Specimen nº IGM 184790, 183543, 183605, 184079 Phractocephalus hemiliopterus Lundberg 1997 cajaro Specimen nº IGM 253267
Siluriformes - Doradidae	Doradidae indet. Doradidae indet. catfish Specimen nº 253279
Siluriformes - Loricariidae	cf. Acanthicus sp. cf. Acanthicus sp. Lundberg 1997 catfish Specimen nº IGM 183605, 253280, 184190
Characiformes - Cynodontidae	Hydrolycus sp. Hydrolycus sp. Lundberg 1997 Specimen n° IGM 183692
Characiformes - Characidae	Characidae indet., cf. Tetragonopterinae indet., Colossoma macropomum Characidae indet. Serrasalmus, Pygocentrus or Pristobrycon sp. - Specimen nº IGM 251277 cf. Tetragonopterinae indet. Lundberg 1997 Gen. et sp. indet. IGM 184787 Colossoma macropomum Cuvier 1818 Specimen n° IGM 253265

¹Bondesio and Pascual 1977; ²Cifelli and Guerrero Diaz 1997; ³Czaplewski et al. 2003; ⁴Hecht and LaDuke 1997; ⁵McDonald 1997; ⁶Rasmussen 1997; ⁷Walton 1990; ⁸Walton 1997