Palanasaspis
| Palanasaspis chekhivensis | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Pteraspidomorphi |
| Subclass: | Heterostraci |
| Order: | Pteraspidiformes |
| Suborder: | Pteraspidoidei |
| Family: | incertae sedis |
| Genus: | Palanasaspis Voichyshyn, 2011 |
| Species: | P. chekhivensis |
| Binomial name | |
| Palanasaspis chekhivensis Voichyshyn, 2011 | |
Palanasaspis chekhivensis is an extinct species of pteraspidid heterostracan agnathan which existed during the Pragian epoch of the early Devonian period in what is now Podolia, Ukraine. It is known primarily from a wide rostral plate, which is referenced in the generic name, a compound word combining the Latin words pala, "shovel," and nasus, "nose," with the Greek suffix aspis, "a small shield." Although the rostral plate clearly marks the creature as a pteraspidoid heterostracan, that literally nothing else of its anatomy is known forces researchers to leave it as incertae sedis.[1]
References
- ↑ Victor Voichyshyn (2011). "The early Devonian Agnathans of Podolia, Ukraine". Palaeontologia Polonica. 66: 1–211. doi:10.4202/pp.2011.66_001.
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