Acanthodiformes is an
order of
acanthodian
Acanthodii or acanthodians is an extinct class of gnathostomes (jawed fishes), typically considered a paraphyletic group. They are currently considered to represent a grade of various fish lineages leading up to the extant Chondrichthyes, which ...
fishes which lived from the
Early Devonian
The Early Devonian is the first of three Epoch (geology), epochs comprising the Devonian period, corresponding to the Lower Devonian Series (stratigraphy), series. It lasted from and began with the Lochkovian Stage , which was followed by the P ...
to
Early Permian 01 or '01 may refer to:
* The year 2001, or any year ending with 01
* The month of January
* 1 (number)
Music
* '01 (Richard Müller album), 01'' (Richard Müller album), 2001
* 01 (Son of Dave album), ''01'' (Son of Dave album), 2000
* 01 (Urban ...
.
Subtaxa
* Family
Acanthodidae
** Genus ''
Acanthodes
''Acanthodes'' (from el, ἄκανθώδης , 'provided with spines') is an extinct genus of spiny shark. Fossils have been found in Europe, North America, Asia, and Australia. ''Acanthodes'' was most common in the Carboniferous and Early Perm ...
''
** Genus ''
Acanthodopsis''
** Genus ''
Traquairichthys''?
** Genus ''
Utahacanthus''?
* Family
Cheiracanthidae
** Genus ''
Cheiracanthus''
** Genus ''
Fallodentus''
** Genus ''
Ginkgolepis''
** Genus ''
Haplacanthus''
** Genus ''
Homalacanthus''?
** Genus ''
Markacanthus''
* Family
Howittacanthidae
** Genus ''
Halimacanthodes''
** Genus ''
Howittacanthes''
* Family
Mesacanthidae
** Genus ''
Lodeacanthus''
** Genus ''
Melanoacanthus''
** Genus ''
Mesacanthus''
** Genus ''
Promesacanthus''
** Genus ''
Teneracanthus''
** Genus ''
Triazeugacanthus''?
References
Acanthodii
Prehistoric fish orders
Permian fish
Carboniferous fish
Devonian fish
Devonian first appearances
Permian extinctions
{{Acanthodii-stub