''Tetragramma'' is a genus of fossil
sea urchin
Sea urchins or urchins () are echinoderms in the class (biology), class Echinoidea. About 950 species live on the seabed, inhabiting all oceans and depth zones from the intertidal zone to deep seas of . They typically have a globular body cove ...
s known from the Upper Jurassic (
Oxfordian) to the Upper Cretaceous (
Turonian
The Turonian is, in the International Commission on Stratigraphy, ICS' geologic timescale, the second age (geology), age in the Late Cretaceous epoch (geology), Epoch, or a stage (stratigraphy), stage in the Upper Cretaceous series (stratigraphy), ...
).
Species
Species include:
[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]
* ''
Tetragramma antsingyensis''
Lambert, 1936
* ''
Tetragramma basabensis''
Vaziri & Arab, 2013
* ''
Tetragramma besairiei
''Tetragramma'' is a genus of fossil sea urchins known from the Upper Jurassic ( Oxfordian) to the Upper Cretaceous (Turonian).
Species
Species include:Kroh, A. (2010). ''Tetragramma'' L. Agassiz, 1838 †. In: Kroh, A. & Mooi, R. (2015) World E ...
''
Lambert, 1933
* ''
Tetragramma bosei''
Jones, 1938
* ''
Tetragramma cornueli
''Tetragramma'' is a genus of fossil sea urchins known from the Upper Jurassic ( Oxfordian) to the Upper Cretaceous (Turonian).
Species
Species include:Kroh, A. (2010). ''Tetragramma'' L. Agassiz, 1838 †. In: Kroh, A. & Mooi, R. (2015) World E ...
''
Corroy, 1925
* ''
Tetragramma depressum
''Tetragramma'' is a genus of fossil sea urchins known from the Upper Jurassic ( Oxfordian) to the Upper Cretaceous (Turonian).
Species
Species include:Kroh, A. (2010). ''Tetragramma'' L. Agassiz, 1838 †. In: Kroh, A. & Mooi, R. (2015) World E ...
''
Vaziri & Arab, 2013
* ''
Tetragramma donaldtrumpi
''Tetragramma donaldtrumpi'' is a species of fossil sea urchins discovered and identified by William R. Thompson Jr. in 2016. The specimen locality is from the Lower Cretaceous, Trinity Group, of the Glen Rose Formation near Fischer, Texas, in th ...
''
Thompson, 2016
* ''
Tetragramma giganteum
''Tetragramma'' is a genus of fossil sea urchins known from the Upper Jurassic ( Oxfordian) to the Upper Cretaceous (Turonian).
Species
Species include:Kroh, A. (2010). ''Tetragramma'' L. Agassiz, 1838 †. In: Kroh, A. & Mooi, R. (2015) World E ...
''
Lambert, 1935
* ''
Tetragramma hourcqi
''Tetragramma'' is a genus of fossil sea urchins known from the Upper Jurassic ( Oxfordian) to the Upper Cretaceous (Turonian).
Species
Species include:Kroh, A. (2010). ''Tetragramma'' L. Agassiz, 1838 †. In: Kroh, A. & Mooi, R. (2015) World E ...
''
Collignon, 1950
* ''
Tetragramma pomeraniae
''Tetragramma'' is a genus of fossil sea urchins known from the Upper Jurassic (Oxfordian (stage), Oxfordian) to the Upper Cretaceous (Turonian).
Species
Species include:Kroh, A. (2010). ''Tetragramma'' L. Agassiz, 1838 †. In: Kroh, A. & Mooi, ...
''
Kongiel, 1957
* ''
Tetragramma tafermense
''Tetragramma'' is a genus of fossil sea urchins known from the Upper Jurassic ( Oxfordian) to the Upper Cretaceous (Turonian).
Species
Species include:Kroh, A. (2010). ''Tetragramma'' L. Agassiz, 1838 †. In: Kroh, A. & Mooi, R. (2015) World E ...
''
Lambert, 1931
* ''
Tetragramma tetratuberculatus
''Tetragramma'' is a genus of fossil sea urchins known from the Upper Jurassic ( Oxfordian) to the Upper Cretaceous (Turonian).
Species
Species include:Kroh, A. (2010). ''Tetragramma'' L. Agassiz, 1838 †. In: Kroh, A. & Mooi, R. (2015) World E ...
''
Vaziri & Arab, 2013
* ''
Tetragramma variolare
''Tetragramma'' is a genus of fossil sea urchins known from the Upper Jurassic ( Oxfordian) to the Upper Cretaceous (Turonian).
Species
Species include:Kroh, A. (2010). ''Tetragramma'' L. Agassiz, 1838 †. In: Kroh, A. & Mooi, R. (2015) World E ...
''
(Brongniart, 1822)
References
Phymosomatoida
Prehistoric echinoid genera
Cretaceous echinoderms
Jurassic echinoderms
{{Paleo-echinoidea-stub