Meekoceratidae
Meekoceratidae | |
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Phylum: | Mollusca
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Family: | Meekoceratidae Waagen, 1985
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The Meekoceratidae is a family of ceratitid ammonites described in the Treatise on Invertebrate Paleontology, as being more or less involute, compressed, discoidal, smooth to weakly ornamented; venter arched or tabulate; sutures ceratitic with broad saddles.[1] Now includes four subfamilies.[specify][citation needed]
References[]
- ^ W.J Arkell, et al., 197=578. Mesozoic Ammonoidea, Treatise on Invertebrate Paleontology, Part L. Geological Society of America and University of Kansas Press.
Categories:
- Meekoceratidae
- Noritaceae
- Ceratitida families
- Early Triassic first appearances
- Middle Triassic extinctions
- Ceratitida stubs