''Tryblidium'' is a paleozoic genus of Ordovician and

Silurian The Silurian ( ) is a geologic period and system spanning 24.6 million years from the end of the Ordovician Period, at million years ago ( Mya), to the beginning of the Devonian Period, Mya. The Silurian is the shortest period of the Paleozo ...

monoplacophora Monoplacophora , meaning "bearing one plate", is a polyphyletic superclass of molluscs with a cap-like shell inhabiting deep sea environments . Extant representatives were not recognized as such until 1952; previously they were known only from ...

ns. The generic name comes from the Greek (τρυβλίον), which means

patella The patella, also known as the kneecap, is a flat, rounded triangular bone which articulates with the femur (thigh bone) and covers and protects the anterior articular surface of the knee joint. The patella is found in many tetrapods, such as m ...

Species

Species in the genus ''Tryblidium'' include:''Tryblidium''

The Paleobiology Database The Paleobiology Database is an online resource for information on the distribution and classification of fossil animals, plants, and microorganisms. History The Paleobiology Database (PBDB) originated in the NCEAS-funded Phanerozoic Marine Pale ...

, accessed 22 August 2009. * '' Tryblidium acutum'' * '' Tryblidium arctica'' * '' Tryblidium erato'' * '' Tryblidium eubule'' * '' Tryblidium exserta'' * '' Tryblidium hyrie'' * '' Tryblidium modestum'' * '' Tryblidium niobe'' * '' Tryblidium nycteis'' * '' Tryblidium ovale'' * '' Tryblidium ovatum'' * '' Tryblidium pileolum'' * '' Tryblidium reticulatum'' * '' Tryblidium rugosum'' * '' Tryblidium simplex'' * '' Tryblidium thorsteinssoni''

References

{{Taxonbar, from=Q7848445 Prehistoric monoplacophorans Prehistoric mollusc genera Ordovician first appearances Silurian extinctions Paleozoic life of Nunavut Paleozoic life of Quebec

Species

See also

References