-
Heterostraci (Ancient Gr****, ἕτερος+ὄστρακον "those [with] a
different s****" [-i is pl. of -us]) is an
extinct subclass of pteraspidomorph, ostracoderm...
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Astraspida Eriptychiida Heterostraci see below↓...
- Phylum:
Chordata Infraphylum:
Agnatha class: †Pteraspidomorpha Subclass: †
Heterostraci Order: †Pteraspidiformes Genus: †Astraspis Walcott, 1892 Type species...
- 2013
Genus †Sacabambaspis Gagnier,
Blieck & Rodrico, 1986
Astraspida Heterostraci Janvier,
Philippe (1997)
Arandaspida The Tree of Life Web Project. Haaramo...
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David K.
Elliott &
Michael A.
Petriello (2011). "New
poraspids (Agnatha,
Heterostraci) from the
Early Devonian of the
western United States".
Journal of Vertebrate...
-
nouvelle espèce et
analyse morpho-fonctionnelle du
genre Doryaspis White (
Heterostraci) du Dévonien du Spitsberg".
Geobios (in French). 38 (2): 257–268. doi:10...
- Vietnam. Superficially,
their morphology appears more
similar to that of
Heterostraci than Osteostraci,
there being currently no
evidence that the galeaspids...
- Bibcode:2017JPal...91..493L. doi:10.1017/jpa.2016.155. S2CID 132698401. "
Heterostraci systematics,
phylogenetics and macroevolution:
investigating evolutionary...
- Phylum:
Chordata Infraphylum:
Agnatha class: †Pteraspidomorpha Subclass: †
Heterostraci Order: †Pteraspidiformes Family: †Protaspididae Genus: †Protaspis Bryant...
- 629–634. Pernegre,
Vincent Noel (2003). "The
Genus Doryaspis White (
Heterostraci) from the
Lower Devonian of Vestspitsbergen, Svalbard".
Journal of Vertebrate...
