''Makiyamaia decorata'' is an extinct species of

sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...

, a marine

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusc Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...

in the family

Clavatulidae Clavatulidae is a taxonomic family of sea snails, marine gastropod mollusks in the superfamily Conoidea. The family is not well differentiated morphologically. Clavatulidae was raised, based on cladistic analysis, from subfamily to the family ...

.Fossilworks: Makiyamaia decorata
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Distribution

Fossils of this species were found in Eocene deposits in the Lower Snatolskaya Formation, Russia (age range 48.6 to 37.2 Ma).

References

* A. E. Oleinik and L. Marincovich. 2003. ''Biotic response to the Eocene-Oligocene Transition: Gastropod assemblages in the High-Latitude North Pacific''. From Greenhouse to Icehouse. The Marine Eocene-Oligocene transition. 36–56

External links

decorata Gastropods described in 1991 {{clavatulidae-stub