Cephalopoda - Ammonitida - Acanthoceratidae
Alternative combination: Ammonites asiatica
Synonyms: Acanthoceras newboldi Kossmat 1897, Calycoceras (Eucalycoceras) newboldi Kossmat 1897, Calycoceras (Newboldiceras) newboldi Kossmat 1897, Calycoceras newboldi Kossmat 1897, Eucalycoceras newboldi Kossmat 1897, Newboldiceras (Newboldiceras) newboldi Kossmat 1897
Belongs to Calycoceras (Newboldiceras) according to A. S. Gale et al. 2019
See also Anderson 1958, Kennedy 1970, Kennedy and Jolkicev 2004, Kossmat 1897, Matsumoto and Skwarko 1991, Thomel 1972 and Walaszczyk et al. 2014
Sister taxa: Calycoceras (Newboldiceras) annulatum, Calycoceras (Newboldiceras) hippocastanum, Calycoceras (Newboldiceras) mourrei, Calycoceras (Newboldiceras) orientale, Calycoceras (Newboldiceras) planecostatum, Calycoceras (Newboldiceras) tapara
Average measurements (in mm): shell diameter 140.0
Distribution:
• Cretaceous of Bulgaria (9 collections), Canada (1: British Columbia), France (5), India (3), Jordan (2), Mozambique (1), Papua New Guinea (3), Tunisia (1), the United Kingdom (2), United States (1: California)
Total: 28 collections including 29 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.