Tryblidium
Encyclopedia
Tryblidium is a paleozoic genus of Ordovician
Ordovician
The Ordovician is a geologic period and system, the second of six of the Paleozoic Era, and covers the time between 488.3±1.7 to 443.7±1.5 million years ago . It follows the Cambrian Period and is followed by the Silurian Period...

 and Silurian
Silurian
The Silurian is a geologic period and system that extends from the end of the Ordovician Period, about 443.7 ± 1.5 Mya , to the beginning of the Devonian Period, about 416.0 ± 2.8 Mya . As with other geologic periods, the rock beds that define the period's start and end are well identified, but the...

 monoplacophora
Monoplacophora
Monoplacophora, meaning "bearing one plate", is a polyphyletic class of mollusks with a cap-like shell, living on the bottom of deep sea. Extant representatives were unknown until 1952; previously they were known only from the fossil record.- Definition :...

ns.

The generic name comes from the Greek
Greek language
Greek is an independent branch of the Indo-European family of languages. Native to the southern Balkans, it has the longest documented history of any Indo-European language, spanning 34 centuries of written records. Its writing system has been the Greek alphabet for the majority of its history;...

 (τρυβλίον), which means patella.

Species

Species in th genus Tryblidium include:
  • 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 reticulatum
    Tryblidium reticulatum is an exctinct species of a paleozoic Silurian monoplacophoran.This species have been discovered and originally described by Gustaf Lindström from Silurian of Gotland in Sweden in 1880...

  • Tryblidium rugosum
  • Tryblidium simplex
  • Tryblidium thorsteinssoni

See also

  • Triblidium esthonum is a synonym for Pilina esthonum.
  • Tryblidium radiatum is a synonym for Helcionopsis radiatum
    Helcionopsis radiatum
    Helcionopsis radiatum is an extinct species of paleozoic monoplacophoran in the family Tryblidiidae.This species was first named as Tryblidium radiatum and described from Silurian in crystalline limestone of Wialmsudd near Fårösund in Sweden by Gustaf Lindström in 1884. Lindsröm found only one...

    .
  • Tryblidium unguis is a synonym for Pilina unguis
    Pilina unguis
    Pilina unguis is an extinct species of Paleozoic Silurian monoplacophoran. It was first named as Tryblidium unguis and described by Gustaf Lindström in Latin from the Silurian deposits of Gotland in Sweden, in 1880.- Shell description :...

    .
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK