Tetragramma Temporal range:
| |
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Scientific classification | |
Kingdom: | |
Phylum: | |
Class: | |
Order: | |
Family: | |
Genus: | †Tetragramma
L. Agassiz, 1838
|
Type species | |
Tetragramma variolare (
Brongniart, 1822)
| |
Synonyms | |
|
Tetragramma is a genus of fossil sea urchins known from the Upper Jurassic ( Oxfordian) to the Upper Cretaceous ( Turonian). [1]
Species include: [2]
Tetragramma Temporal range:
| |
---|---|
Scientific classification | |
Kingdom: | |
Phylum: | |
Class: | |
Order: | |
Family: | |
Genus: | †Tetragramma
L. Agassiz, 1838
|
Type species | |
Tetragramma variolare (
Brongniart, 1822)
| |
Synonyms | |
|
Tetragramma is a genus of fossil sea urchins known from the Upper Jurassic ( Oxfordian) to the Upper Cretaceous ( Turonian). [1]
Species include: [2]