Hochalm TH18 (Triassic of Austria)

Where: Austria (47.0° N, 12.0° E: paleocoordinates 30.7° N, 16.1° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Hochalm Member (Koessen Formation), Rhaetian (208.5 - 201.3 Ma)

• Sagenites reticulatus Zone, Hochalm Member, Unit 3

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, shelly/skeletal packstone

• 9 cm-thick packstone/rudstone with well sorted and convex up disarticulated bivalves, present within a carbonate-rich interval

Size class: macrofossils

Collection methods: bulk, mechanical,

Primary reference: A. Tomasovych. 2006. Linking taphonomy to community-level abundance: insights into compositional fidelity of the Upper Triassic shell concentrations (Eastern Alps). Palaeogeography, Palaeoclimatology, Palaeoecology 235:355-381 [F. Fursich/A. Tomasovych]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 61018: authorized by Franz Fursich, entered by Adam Tomasovych on 29.05.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Nuculanida - Nuculanidae
Nuculana claviformis pointed nut clam
 Ostreida - Bakevelliidae
"Bakevellia praecursor" = Bakevellia (Bakevelloides) praecursor
"Bakevellia praecursor" = Bakevellia (Bakevelloides) praecursor Quenstedt 1858 oyster
 Ostreida - Pteriidae
Rhaetavicula contorta Portlock 1843 pearl oyster
 Pectinida - Plicatulidae
"Placunopsis alpina" = Pseudoplacunopsis alpina
"Placunopsis alpina" = Pseudoplacunopsis alpina Winkler 1859 scallop
 Cardiida - Cardiidae
Protocardia rhaetica Merian 1853 cockle
 Cardiida - Palaeocarditidae
Palaeocardita sp. Conrad 1867 clam
 Cardiida - Arcticidae
"Pseudocorbula ewaldi" = Isocyprina ewaldi
"Pseudocorbula ewaldi" = Isocyprina ewaldi Bornemann 1854 clam
 Carditida - Myophoricardiidae