Tetragraptus sp. and Didymograptus sp.
UNB-2019-0575Fossils » Eukaryote » Animalia » Hemichordata » Graptolithina
Description
Kingdom: Animalia
Phylum: Hemichordata
Class: Pterobranchia
Subclass: Graptolithina
Order: Graptoloidea
Family: Phyllograptidae
Genus: Tetragraptus (Salter, 1863)
Kingdom: Animalia
Phylum: Hemichordata
Class: Pterobranchia
Subclass: Graptolithina
Family: Dichograptidae
Genus: Didymograptus (McCoy, 1851)
Individual stipes of Tetragraptus and Didymograptus. One visible stipe of Didymograptus with a 4.0 mm 2TRD and a width of 1.0 mm. One visible stipe of Tetragraptus with a 2.0 mm 2TRD and a width of ~0.9 mm.
Specifications
| Object name | Tetragraptus sp. and Didymograptus sp. |
|---|---|
| ID | UNB-2019-0575 |
| Legal status | Permanent collection |
| Category | Fossil |
| Classification | Domain: Eukaryote Kingdom: Animalia Phylum: Hemichordata Class: Graptolithina |
| Composition | Shale |
| Age | Eon: Phanerozoic Era: Paleozoic Period: Ordovician |
| Numeric age | 485.4 Mya |
| Origin | Brewster County, Texas, U.S.A. |
| Pieces | 1 |
| Partial | No |
| Measurements |
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