| 词条 | Trochactaeon |
| 释义 |
| fossil_range= {{fossil range|Late Cretaceous|Early Cretaceous}} | image = Trochactaeon_conicus_01.jpg | image_caption = Five views of a fossil shell of Trochactaeon conicus | regnum = Animalia | phylum = Mollusca | classis = Gastropoda | unranked_superfamilia= clade Heterobranchia informal group Lower Heterobranchia | superfamilia = Acteonoidea | familia = Acteonellidae | subfamilia = Acteonellinae | genus = Trochactaeon | genus_authority = Meek, 1863[1] | synonyms = }} Trochactaeon is an extinct genus of fossil sea snails, marine gastropod mollusks in the family Acteonellidae. The genus Trochactaeon is known from the Late Cretaceous to the Early Cretaceous periods.[2] SpeciesSpecies in the genus Trochactaeon include:
References1. ^Meek (1863). Amer. J. Sci. (3): 35, 87, 89. {{Taxonbar|from=Q7844830}}{{paleo-gastropod-stub}}2. ^{{cs icon}} Ivanov M., Hrdličková S. & Gregorová R. (2001). Encyklopedie zkamenělin. Rebo Productions, Dobřejovice, 1. vydání, 312 pp., page 124. 3. ^PART I. PALEOZOIC AND MESOZOIC GASTROPODA 5 : Acteonellidae|Early Cretaceous genus first appearances|Albian taxonomic families|Cenomanian taxonomic families|Late Cretaceous genus extinctions |
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