Locality 240 Estancia de San Martín (Cretaceous of Argentina)

Where: Chubut, Argentina (42.7° S, 69.8° W: paleocoordinates 44.8° S, 58.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lefipán Formation, Maastrichtian (72.1 - 66.0 Ma)

Environment/lithology: coastal; lithology not reported

Size class: macrofossils

Collected by Rodolfo Casamiquela

• Material deposited in the CPBA, Paleontological Collection of the University of Buenos Aires, Argentina

Primary reference: H. H. Camacho. 1967. Consideraciones sobre una fauna del Cretácico Superior (Maestrichtiano) del Paso del Sapo, curso medio del Río Chubut. Ameghiniana V(4):131-134 [E. Vlachos/E. Vlachos]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 231707: authorized by Evangelos Vlachos, entered by Evangelos Vlachos on 29.08.2023

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Hexacorallia -
Scleractinia indet. Bourne 1900 stony coral
Bivalvia
 Arcida - Cucullaeidae
Cucullaea antarctica Wilckens 1907 clam
 Hiatellida - Hiatellidae
"Panope sp." = Panopea
"Panope sp." = Panopea Menard 1807 clam
reported as spp. (many taxa)
 Trigoniida - Trigoniidae
Pacitrigonia patagonica, "Pterotrigonia (Rinetrigonia) windhauseniana" = Trigonia windhauseniana, "Iotrigonia sp." = Megatrigonia (Iotrigonia)
Pacitrigonia patagonica Feruglio 1937 clam
"Pterotrigonia (Rinetrigonia) windhauseniana" = Trigonia windhauseniana Wilckens 1921 clam
"Iotrigonia sp." = Megatrigonia (Iotrigonia) Van Hoepen 1929 clam
Gastropoda
 Sorbeoconcha - Aporrhaidae
? Perissoptera sp. Tate 1865 snail
? Pugnellus sp. Conrad 1860 snail