Kallholnoceras Frye 1987
Year: 2025
Type: article
Abstract: Genus Kallholnoceras Frye, 1987 Type species Kallholnoceras cornutum Frye, 1987, Kallholn quarry, Kallholn, Dalarna, Sweden, Boda Formation, late Katian; by original designation. Diagnosis Exogastric, strongly curved cyrtocones with compressed conch cross section and gibbous mature body chamber; siphuncle close to conch margin, without endosiphuncular deposits with gradually enlarging; septal necks suborthochoanitic; siphuncle slightly expanded within chambers, without endosiphuncular deposits. (Compiled from Frye 1987.)
Author: Kröger, Björn
Institutions: University of Helsinki, Finnish Museum of Natural History
Language: English
Subfield: Paleontology
Field: Earth and Planetary Sciences
Domain: Physical Sciences
Open Access status: gold
OpenAlex ID: W6930880845
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