Concise hierarchy
(Kingdom) Animalia - (Phylum) Chordata - (Class) Pteraspidomorpha
Current position
Alternative positions
Historical positions
| †Cyathaspididae (Family) Kiaer, 1932, nom. praeval. |
Ref:
E. Randle et al., 2022: fig. 6.
[phylogenetic position] |
| †Heterostraci (Subclass) Lankester, 1868 |
Ref:
R. van der Laan, 2018: 18.
|
| †Heterostraci (Subclass) Lankester, 1868 |
Ref:
J.S. Nelson et al., 2016: 29.
|
| †Heterostraci (Subclass) Lankester, 1868 |
Ref:
V. Voichyshyn, 2011: 83.
|
| †Heterostraci (Subclass) Lankester, 1868 |
Ref:
J.S. Nelson, 2006: 30.
|
| †Pteraspidomorphi (Class) Goodrich, 1909 |
Ref:
1998
|
| †Pteraspidomorphi (Class) Goodrich, 1909 |
Ref:
1995
|
Number of Subtaxa