Biology:Erikaspis

Short description: Genus of extinct fish

Erikaspis Temporal range: Early Devonian: Lochkovian-Pragian, 419–407 Ma PreЄ Є O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	†Placodermi
Order:	†Arthrodira
Genus:	†Erikaspis Dupret, Goujet & Mark-Kurik, 2007
Species
†Erikaspis zychi (Stensiö, 1945) (type)

Erikaspis is an extinct monospecific genus of arthrodire placoderm fish found in Lochkovian-Pragian (Lower Devonian) deposits of Podolia, Western Ukraine . The type species Erikaspis zychi was originally described in 1945 by Erik Stensiö based on a partial skull-roof, and was named Kujdanowiaspis zychi. In 2007, it was subsequently reassigned to the newly named genus Erikaspis, based on significant differences from Kujdanowiaspis.

It is one of the more basal members of the order Arthrodira, as shown in the cladogram below:

Lunaspis broilii     Eurycaraspis incilis   Arthrodira   Yujiangolepis liujingensis       Antarctaspis mcmurdoensis     Wuttagoonaspidae   Yiminaspis shenme     Wuttagoonaspis fletcheri           Aethaspis major     Aethaspis utahensis           Lehmanosteus hyperboreus         Aleosteus eganensis     Simblaspis cachensis           Kujdanowiaspis buczacziensis     Kujdanowiaspis podolica           Erikaspis zychi     Sigaspis lepidophora         Eskimaspis heintzi       Baringaspis dineleyi     Proaethaspis ohioensis         Anarthraspis chamberlini     Heightingtonaspis anglica   Phyllolepida   Gavinaspis convergens       Phyllolepis orvini     Austrophyllolepis sp.     Cowralepis mclachlani     Placolepis budawangensis                     Actinolepidae   Bollandaspis woschmidti       Actinolepis spinosa       Actinolepis magna     Actinolepis tuberculata             Bryantolepis brachycephalus   Phlyctaenioidei   Phlyctaeniidae         Groenlandaspidae     Arctaspidae Dicksonosteus arcticus     Arctolepidae         Brachythoraci

Actinolepidoidei Phlyctaeniina

References

Wikidata ☰ Q123084203 entry