-
Pteraspididae is an
extinct family of
heterostracan vertebrates. It is an
Early Devonian-aged
family that
contains the stereotypical, torpedo-shaped pteraspidids...
- five families, four of which, Anchipteraspididae, Gigantaspididae,
Pteraspididae, and
Protaspididae are monophyletic:
Protopteraspididae has recently...
-
incertae sedis Palanasaspis Pteraspididae Althaspis Blieckaspis Brachipteraspis Errivaspis Escharaspis Grumantaspis Helaspis Larnovaspis Loricopteraspis...
- Panamintaspis,
share various features with
these derived pteraspidids.
Pteraspididae is an
Early Devonian-aged
family that
contains the stereotypical, torpedo-shaped...
-
though while it was
originally described as a
member of the same family,
Pteraspididae, a
recent phylogenetic re****essment of the
order Pteraspidiformes places...
-
incertae sedis Palanasaspis Pteraspididae Althaspis Blieckaspis Brachipteraspis Errivaspis Escharaspis Grumantaspis Helaspis Larnovaspis Loricopteraspis...
-
incertae sedis Palanasaspis Pteraspididae Althaspis Blieckaspis Brachipteraspis Errivaspis Escharaspis Grumantaspis Helaspis Larnovaspis Loricopteraspis...
-
incertae sedis Palanasaspis Pteraspididae Althaspis Blieckaspis Brachipteraspis Errivaspis Escharaspis Grumantaspis Helaspis Larnovaspis Loricopteraspis...
-
define them as pteraspidids. Elliott, D. K. "A new
subfamily of the
Pteraspididae (Agnatha, Heterostraci) from the
upper Silurian and
lower Devonian of...
- †Pteraspidomorphi Subclass: †Heterostraci Order: †Pteraspidiformes Family: †
Pteraspididae Genus: †Pteraspis Kner, 1847 Type
species Cephalaspis rostrata Ag****iz...
