STRI Loc. 390093. Makaraipao (Miocene of Colombia)

Also known as Makaraipao; STRI Loc. 390093 (Castilletes Fm)

Where: Guajira, Colombia (11.9° N, 71.3° W: paleocoordinates 11.3° N, 68.6° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Castilletes Formation, Langhian (16.0 - 13.8 Ma)

• Long section of Moreno et al. 2015, Figure 3.

•Beds in the middle part of the formation near Makaraipao yielded a mean 87Sr/86Sr ratio-derived age of 15.30 Ma (range of 15.14 ± 0.13 Ma–15.43 ± 0.09) (Moreno et al. 2015).

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

• fossils here are found in poorly consolidated and highly oxidized sandstone, imparting a particular orange-brownish color to the bones

Size class: macrofossils

Collection methods: MUN, Museo de la Universidad del Norte, Barranquilla, Colombia, the repository of the specimens

Primary reference: E. Cadena and C. Jaramillo. 2015. Early to Middle Miocene turtles from the northernmost tip of South America: giant testudinids, chelids, and podocnemidids from the Castilletes Formation, Colombia. Ameghiniana 52(2):188-203 [E. Vlachos/E. Vlachos]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 190376: authorized by Evangelos Vlachos, entered by Evangelos Vlachos on 06.12.2017, edited by Juan Carrillo, Grace Varnham and Gustavo Ballen

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Ceratodontiformes - Lepidosirenidae
Lepidosiren sp.1 Fitzinger 1837 Australian lungfish
MUN 37667, partial left pterygoid plate with part of the middle and posterior pterygoid ridges, posterior process and base of ascending process preserved; MUN 37693, partial pterygoid plate with part of the middle pterygoid ridge and all of the posterior ridge.
Reptilia
 Testudines - Testudinidae
Chelonoidis sp. Fitzinger 1835 turtle
MUN-STRI-dbid 37480 and 37481
 Testudines - Podocnemididae
Podocnemididae indet. Cope 1868 sideneck turtle
MUN-STRI-dbid 37443, 37450, and 37451
Mammalia
 Astrapotheria - Astrapotheriidae
Hilarcotherium cf. miyou2 Carrillo et al. 2018 placental
MUN-STRI 34292
 Cingulata - Pampatheriidae
cf. Scirrotherium sp.3 Edmund and Theodor 1997 edentate
 Panameriungulata - Proterotheriidae
"Lambdaconus cf. colombianus" = Neodolodus colombianus2
"Lambdaconus cf. colombianus" = Neodolodus colombianus2 Hoffstetter and Soria 1986 placental
 Sparassodonta -
Lycopsis padillai n. sp.4 Suarez et al. 2016 metatherian
Actinopteri
 Siluriformes - Pimelodidae
Phractocephalus sp.1 Spix and Agassiz 1829 cajaro
MUN 37660, fragment of nuchal plate.
 Siluriformes - Callichthyidae
Callichthyidae indet.1 Gill 1872 catfish
MUN 37803, fragments of one dorsal spine and one pectoral spine, the former preserving the spine base.
 Characiformes - Serrasalmidae
Mylossoma sp.1 Eigenmann and Kennedy 1903
MUN 34502, an isolated tooth.
Piaractus aff. brachypomus1
MUN 37664, two isolated teeth.