Monograptus clintonensis
UNB-2019-0590Fossils » Eukaryote » Animalia » Hemichordata » Graptolithina
Description
Kingdom: Animalia
Phylum: Hemichordata
Class: Pterobranchia
Subclass: Graptolithina
Order: Graptoloidea
Family: Monograptidae
Genus: Monograptus (Geinitz, 1852)
Species: Monograptus clintonensis (Ruedemann, 1911)
Two samples of shale with various different monograptids. Monograptus clintonesis is the prominent graptolite. Th2 and mesial 2TRD is ~ 1.8 mm and width is ~0.9 mm that increases to 1.0 mm distally. Distally 2TRD is 2.1 mm. thecae are hooked with an inclined prothecal ventral wall. Rhabdosome is straight and sicula is not visible. Slight thecal overlap.
Specifications
| Object name | Monograptus clintonensis |
|---|---|
| ID | UNB-2019-0590 |
| Legal status | Permanent collection |
| Category | Fossil |
| Classification | Domain: Eukaryote Kingdom: Animalia Phylum: Hemichordata Class: Graptolithina |
| Composition | Shale |
| Age | Eon: Phanerozoic Era: Paleozoic Period: Silurian Subperiod: Late Llandovery |
| Numeric age | 434 Mya |
| Origin | Rochester, New York, U.S.A. |
| Pieces | 2 |
| Partial | No |
| Measurements |
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