Tetragramma

Tetragramma is a genus of fossil sea urchins known from the Upper Jurassic (Oxfordian) to the Upper Cretaceous (Turonian).[1]

Tetragramma
Scientific classification
Kingdom:
Animalia
Phylum:
Echinodermata
Class:
Echinoidea
Order:
Phymosomatoida
Family:
Diplopodiidae
Genus:
†Tetragramma

Type species
Tetragramma variolare
(Brongniart, 1822)
Synonyms
  • Acanthechinopsis Gregory, 1906

Species

Species include:[2]

  • Tetragramma antsingyensis Lambert, 1936
  • Tetragramma basabensis Vaziri & Arab, 2013[3]
  • Tetragramma besairiei Lambert, 1933
  • Tetragramma bosei Jones, 1938
  • Tetragramma cornueli Corroy, 1925
  • Tetragramma depressum Vaziri & Arab, 2013[3]
  • Tetragramma donaldtrumpi Thompson, 2016[4]
  • Tetragramma giganteum Lambert, 1935
  • Tetragramma hourcqi Collignon, 1950
  • Tetragramma pomeraniae Kongiel, 1957
  • Tetragramma tafermense Lambert, 1931
  • Tetragramma tetratuberculatus Vaziri & Arab, 2013[3]
  • Tetragramma variolare (Brongniart, 1822)

References
  1. "Tetragramma Agassiz, 1838". The Echinoid Directory. Natural History Museum, London. Retrieved 2017-01-22.
  2. Kroh, A. (2010). Tetragramma L. Agassiz, 1838 †. In: Kroh, A. & Mooi, R. (2015) World Echinoidea Database. Accessed at http://www.marinespecies.org/Echinoidea/aphia.php?p=taxdetails&id=512465 on 2017-01-22
  3. Vaziri, M. R.; Arab, A. L. (2013). "Echinoids of the genus Tetragramma Agassiz (Phymosomatoida) from the Aptian sediments of the Basab region, northwest of Kerman, Iran". Journal of Sciences, Islamic Republic of Iran. 24 (2): 149–155.
  4. Thompson, William R. (2016). Fossil Echinoids of Texas: A Monograph of Fossil Sea Urchins. River Stix. ISBN 978-1617042782.


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