Cerro Ullacoto, Huacrapuquio (Jurassic to of Peru)

Where: Junín, Peru (12.2° S, 75.2° W: paleocoordinates 13.1° S, 41.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Condorsinga Formation (Pucará Group), Pliensbachian to Pliensbachian (190.8 - 170.3 Ma)

• Between "[Middle Liasicus]" and Aalenian based on biostratigraphy (Velazco 2008)

• group of beds-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Primary reference: Y. P. Velazco. 2008. Algunos invertebrados fósiles de Huacrapuquio, provincia de Huancayo, departamento de Junín–Perú [Some invertebrate fossils from Huacrapuquio, province of Huancayo, Junin, Peru]. Revista del Instituto de investigación de la Facultad de minas, metalurgia y ciencias geográficas 11:39-48 [A. Dunhill/B. Allen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 202438: authorized by Alex Dunhill, entered by Bethany Allen on 11.07.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Belemnitida - Megateuthididae
"Belemnites acuarius" = Cuspiteuthis acuaria
"Belemnites acuarius" = Cuspiteuthis acuaria von Schlotheim 1820 belemnite
Bivalvia
 Pectinida - Limidae
Antiquilima succincta von Schlotheim 1813 file clam
 Pholadida - Pholadidae
Martesia sp. Sowerby 1824 clam
 Trigoniida - Myophorelloidae
Rhynchonellata
 Terebratulida - Lobothyrididae
Lobothyris punctata Sowerby 1812
Crinoidea
 Isocrinida - Isocrinidae
Isocrinus sp. von Meyer 1836 Sea lily
Echinoidea
 Cidaroida - Rhabdocidaridae
Rhabdocidaris sp. Desor 1855 pencil urchin