-
either mostly buried in or
resting directly on top of the substrate. The
cyathaspidids of
Cyathaspidida were tadpole-like
animals with drum-shaped, cigar-shaped...
- Canada. The
armor of
anchipteraspidids superficially resemble those of
cyathaspidids, though,
anchipteraspidids already have the
typical series of plates...
- amphiaspid." Lundgren, Mette, and
Henning Blom. "Phylogenetic
relationships of the
cyathaspidids (Heterostraci)." GFF 135.1 (2013): 74-84. v t e v t e...
-
Dineley (1991). "Additional
information on
Alainaspis and Boothiaspis,
cyathaspidids (Agnatha: Heterostraci) from the
Upper Silurian of
Northwest Territories...
-
Edaphaspis bystrowi is an
extinct amphiaspidid cyathaspidid heterostracan. Its
fossils are
restricted to
early Devonian-aged
marine strata of the Taimyr...
- Lundgren, Mette, and
Henning Blom. "Phylogenetic
relationships of the
cyathaspidids (Heterostraci)." GFF 135.1 (2013): 74-84.
Phylogenetic patterns in the...
- Life Web Project. Lundgren, Mette, and
Henning Blom. "Phylogenetic
relationships of the
cyathaspidids (Heterostraci)." GFF 135.1 (2013): 74-84. v t e...
-
Arctic Canada.
Anchipteraspidids superficially resemble the
ancestral cyathaspidids, but, the
articulation and
growth patterns of the
plates clearly define...
-
themselves in the substrate. Lundgren, Mette, and
Henning Blom. "Phylogenetic
relationships of the
cyathaspidids (Heterostraci)." GFF 135.1 (2013): 74-84....
- Lundgren, Mette, and
Henning Blom. "Phylogenetic
relationships of the
cyathaspidids (Heterostraci)." GFF 135.1 (2013): 74-84. Novitskaya, Larisse. Les amphiaspides...
