Tetragramma
(Redirected from Tetragramma variolare)
| Tetragramma Temporal range:
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| Genus: | †Tetragramma L. Agassiz, 1838
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| Type species | |
| Tetragramma variolare (Brongniart, 1822)
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Tetragramma is a genus of fossil sea urchins known from the Upper Jurassic (Oxfordian) to the Upper Cretaceous (Turonian).[1]
Species[edit]
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[edit]
- ^ "Tetragramma Agassiz, 1838". The Echinoid Directory. Natural History Museum, London. Retrieved 2017-01-22.
- ^ 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
- ^ a b c 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.
- ^ Thompson, William R. (2016). Fossil Echinoids of Texas: A Monograph of Fossil Sea Urchins. River Stix. ISBN 978-1617042782.
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