Foraminifera taxon details
original description
Brotzen, F. (1963). Evolutionary trends in certain calcareous foraminifera on the Paleozoic-Mesozoic boundary, in G. H. R. von Koenigswald et al., ed. Evolutionary Trends in Foraminifera. <em>Amsterdam: Elsevier.</em> 66-78. [details]
basis of record
Loeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp., available online at https://books.google.pt/books?id=n_BqCQAAQBAJ [details] Available for editors [request]
From editor or global species database
Diagnosis Test low to high spired; two interiomarginal apertures in the final chamber separated by a short tenon. M. Triassic (Anisian) to U. Triassic (Rhaetian). (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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