Bold ranks show taxa that will be shown in taxoboxes
because rank is principal or always_display=yes.
Not sure why you're here? Get started with the automated taxobox system.
| Parent: | Holoptychiidae [Taxonomy; edit]
|
| Rank: | genus (displays as Genus)
|
| Link: | †Holoptychius
|
| Extinct: | yes
|
| Always displayed: | yes (major rank) |
| Taxonomic references: | – |
| Parent's taxonomic references: | S. V. Moloshnikov. 2007. Psammosteiforms (Agnatha, Heterostraci) from the Lower Frasnian of the Mikhailovskii Mine, Kursk Region, Russia. Paleontological Journal 41(5):84-88 |