Umboneinae
Authors/Creators
Description
Subfamily UMBONEINAE
Lyssenko & Aliev, 1987
(Fig. 3G)
Umboneidae Lyssenko & Aliev, 1987: 117
TYPE GENUS. — Umbonea Pchelintsev, 1965 (1965: 85).
TYPE SPECIES. — Nerinea dilatata d’Orbigny, 1852 (1852: 146).
SUBFAMILY CHARACTERS. — Shells with hollow columella; whorls almost triangular in outline, siphonal notch located on acute extension of aperture. The columellar, parietal and palatal plaits are small. The umbilicus may be covered by a thin lamella.
REMARKS
This group is assigned to the Ptygmatididae because of the typical siphonal portion which protrudes at about 60° into the umbilicus. It has been named Diozoptyxisidae by Pchelintsev (1965). Diozoptyxis Cossmann, 1907 belongs, in fact, to the Campaniloidea (see Kollmann & Peza 1997 a; Kollmann 2005). Ptygmatididae species originally assigned to this family are allocated to the Umboneinae Lyssenko & Aliev, 1987.
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Linked records
Additional details
Identifiers
References
- LYSSENKO N. I. & ALIEV G. A. 1987. - [Revision of the genus Diozoptyxis and a new family of gastropods] Revizija roda Diozoptyxis i novoe semejstwo gastropod. Paleontologiceskii Zhournal 1987 (1): 116 - 120.
- PCHELINTSEV V. F. 1965. - Mesozoic Murchisoniata from the Crimean Highland. Nauka, Moskwa, 216 p.
- COSSMANN M. 1907. - Description des gastropode et pelecypodes, in PELLAT E. & COSSMANN M. (eds), Le Barremien superieur a facies Urgonien de Brouzet- Lez-Alais Gard). Memoires de la Societe Geologique de France, ser. 15, 1: 6 - 42.
- KOLLMANN H. A. & PEZA L. H. 1997 b. - Diptyxis Oppenheim (Nerineacea, Gastropoda) from the Lower Cretaceous of Albania. On the distribution of the genus Diptyxis. Annalen des Naturhistorischen Museums Wien 98 A: 17 - 33.
- KOLLMANN H. A. 2005. - Marine Palaeobiogeography of the Central European Late Cretaceous. Bulletin of the Geological Society of Denmark 52: 193 - 199.