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Acanthechinopsis
''Tetragramma'' is a genus of fossil sea urchin Sea urchins () are spiny, globular echinoderms in the class Echinoidea. About 950 species of sea urchin live on the seabed of every ocean and inhabit every depth zone from the intertidal seashore down to . The spherical, hard shells (tests) of ...s 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 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'' Lambert, 1933 * '' Tetragramma bosei'' Jones, 1938 * '' Tetragramma cornueli'' Corroy, 1925 * '' Tetragramma depressum'' Vaziri & Arab, 2013 * '' Tetragramma donaldtrumpi'' Thompson, 2016 * '' Tetragramma giganteum'' Lambert, 1935 * '' Tetragramma h ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 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'' Lambert, 1933 * ''Tetragramma bosei ''Tetragramma'' is a genus of fossil sea urchin Sea urchins () are spiny, globular echinoderms in the class Echinoidea. About 950 species of sea urchin live on the seabed of every ocean and inhabit every depth zone from the intertidal seash ...'' Jones, 1938 * '' Tetragramma cornueli'' Corroy, 1925 * '' Tetragramma depressum'' Vaziri & Arab, 2013 * '' Tetragramma donaldtrumpi'' Thompson, 2016 * '' Tetragramma giganteum'' Lambert, 1935 * '' Tetragramma ho ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |