Huairas, Huánuco (Triassic of Peru)

Where: Peru (9.9° S, 76.2° W: paleocoordinates 29.9° S, 44.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Ladinian (242.0 - 237.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shelly/skeletal limestone

Size class: macrofossils

Primary reference: E. Jaworski. 1922. Die marine Trias in Süd-America. Neues Jahrbuch für Mineralogie, Geologie und Paläontologie 47(Supplement):93-200 [A. Dunhill/B. Allen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 206478: authorized by Alex Dunhill, entered by Bethany Allen on 18.11.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Lucinida - Mactromyidae
Unicardium sp. d'Orbigny 1850 clam
 Nuculanida - Malletiidae
Phaenodesmia peruana Jaworski 1922 clam
Gastropoda
 Cerithioidea - Cryptaulacidae
"Promathildia bittneri" = Cryptaulax bittneri
"Promathildia bittneri" = Cryptaulax bittneri Kittl 1894 snail