Biserial Graptolites
UNB-2019-0629Fossils » Eukaryote » Animalia » Hemichordata » Graptolithina
Description
Kingdom: Animalia
Phylum: Hemichordata
Class: Pterobranchia
Subclass: Graptolithina
Order: Graptoloidea
Suborder: Axonophora
Six samples with various biserial graptolites on the surface of the sediments. Small, incomplete to complete rhabdosomes with some species having a visible sicula. Largest sample has the most complete rhabdosome that is straight and has a sicula that is 0.7 mm long. Proximal 2TRD is 1.8 mm and rhabdosome width is constant throughout at 1.9 mm. Mesially and distally the 2TRD decreases to 1.7 mm.
Specifications
| Object name | Biserial Graptolites |
|---|---|
| ID | UNB-2019-0629 |
| Legal status | Permanent collection |
| Category | Fossil |
| Classification | Domain: Eukaryote Kingdom: Animalia Phylum: Hemichordata Class: Graptolithina |
| Composition | Shale |
| Origin | Unknown |
| Pieces | 6 |
| Partial | No |
| Measurements |
|