Tilacnioc, loc. 48 (Triassic of Peru)

Where: Peru (11.3° S, 75.9° W: paleocoordinates 20.0° S, 42.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pucara Group, Rhaetian (208.5 - 201.3 Ma)

• ?Late Norian-Rhaetian

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

Size class: macrofossils

Primary reference: O. Haas. 1953. Mesozoic invertebrate faunas of Peru. Bulletin of the American Museum of Natural History 101:1-328 [W. Kiessling/U. Merkel/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 68116: authorized by Wolfgang Kiessling, entered by Uta Merkel on 04.01.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Murchisoniina - Trochonematidae
Guidonia planetecta Haas 1953 snail
 Murchisoniina - Phymatopleuridae
? Worthenia basifalcata Korner 1937 snail
 Murchisoniina - Rhaphistomellidae
? Sisenna sp. Koken 1896 snail
 Murchisoniina - Gosseletinidae
? Ptychomphalina "sp. 1" Fischer 1885 snail
Ptychomphalina cf. protei Münster 1841 snail
 Trochoidea - Ataphridae
 Trochoidea - Solariellidae
 Trochoidea - Turbinidae
Solarioconulus ? nudus Münster 1841 snail
 Seguenzioidea - Eucyclidae
Eucyclus denticulatus Haas 1953 snail
 Vetigastropoda - Cirridae
Sororcula gracilis Haas 1953 snail
Sororcula costata n. sp. Haas 1953 snail
Hesperocirrus triasicus Cox 1949 snail
 Euomphalina - Anomphalidae
Anomphalus biconcavus n. sp. Haas 1953 snail
 Caenogastropoda - Goniasmatidae
Trypanocochlea sp. Tomlin 1931 snail
 Caenogastropoda - Coelostylinidae
"Zygopleura (Anoptychia) tambosolensis" = Coelostylina tambosolensis Haas 1953 snail
Omphaloptycha jaworskii Haas 1953 snail
Omphaloptycha jenksi Haas 1953 snail
Omphaloptycha speciosa n. sp. Haas 1953 snail
 Cerithioidea - Turritellidae
? Vermicularia sp. Lamarck 1799 turret shell
sp. 2
 Cerithioidea - Cryptaulacidae
Cryptaulax tilarniocensis n. sp. Haas 1953 snail
 Sorbeoconcha - Settsassiidae
Zygopleura (Kittliconcha) dissimilis, "Zygopleura (Kittliconcha) peruviana" = Kittliconcha peruviana
"Zygopleura (Kittliconcha) peruviana" = Kittliconcha peruviana Haas 1953 snail
 Neogastropoda - Maturifusidae
 Sorbeoconcha - Purpurinidae
Protofusus pyramidalis n. sp. Haas 1953 periwinkle
Protofusus aff. pyramidalis Haas 1953 periwinkle
Protofusus gracilis n. sp. Haas 1953 periwinkle
Protofusus transitorius n. sp. Haas 1953 periwinkle
Protofusus delicatulus Haas 1953 periwinkle
Protofusus peruvianus n. sp. Haas 1953 periwinkle
 Sorbeoconcha - Acteoninidae
"Spirostylus peruvianus n. sp." = Actaeonina peruviana, "Coelostylina cylindrata" = Actaeonina cylindrata
"Spirostylus peruvianus n. sp." = Actaeonina peruviana Haas 1953 snail
"Coelostylina cylindrata" = Actaeonina cylindrata Haas 1953 snail
 Sorbeoconcha - Procerithiidae
Paracerithium porrectum Haas 1953 snail
Rhabdocolpus emaciatus n. sp. Haas 1953 snail
Rhabdocolpus praeco n. sp. Haas 1953 snail
Rhabdocolpus rursicostatus n. sp. Haas 1953 snail
 Heterostropha - Cylindrobullinidae
 Heterostropha - Mathildidae
 Heterostropha - Gordenellidae
 Heterostropha - Anoptychiidae
 Neritoidea - Neritariidae
Neritaria hologyroides Haas 1953 snail
Neritaria dicosmoides Haas 1953 snail