CATALOG OF ORIGINAL DESCRIPTIONS: Anomalina lorneiana var. trocoidea Gandolfi 1942

This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.


Higher levels: pf_cat -> A -> Anomalina -> Anomalina lorneiana trocoidea
Other pages this level: A. bentonensis, A. breggiensis, A. lorneiana trocoidea, A. lorneiana typica, A. luxorensis, A. roberti,

Anomalina lorneiana trocoidea

Citation: Anomalina lorneiana var. trocoidea Gandolfi 1942
Rank: variety
Type locality: Breggia River, Canton Ticino, Switzerland.
Type level: Albian
Holotype Repository: Basel, CH; Natural History Museum
Holotype number: 75142

Current identification/main database link: Hedbergella trocoidea (Gandolfi, 1942)


Original Description
Test medium in size, low trochospiral, consisting of about 2 whorls, nearly flat to slightly concave on spiral side, broadly rounded, peripheral outline distinctly lobulate; chambers inflated, subglobular to radially rather elongate, about 7-8 in final whorl, increasing gradually in size as added; sutures distinct, depressed, nearly radial on both sides; wall calcareous, perforate, radial in structure, surface smooth; aperture a low interiomarginal, extraumbilical-umbilical arch bordered above with or without slight lip.

References:

Gandolfi, R., (1942). Ricerche micropaleontologiche e stratigraphfiche sulla Scaglia e sul flysch Cretacici dei Dintorni di Balerna (Canton Ticino). Rivista Italiana Paleontologia, 48: 1-160.


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Anomalina lorneiana trocoidea compiled by the pforams@mikrotax project team viewed: 11-12-2017

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