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Heterosteidae

Placodermi - Phlyctaeniiformes - Heterosteidae

Taxonomy
Heterosteidae was named by Jaekel (1903). Its type is Heterosteus.

It was assigned to Heterostiina by Denison (1975); to Heterosteina by Denison (1978); and to Heterosteoidea by Denison (1984).

Subtaxa
Entered
by J. Marcot on 2018-04-10; modified by P. Novack-Gottshall on 2026-06-09

Synonymy list
YearName and author
1903Heterosteidae Jaekel
1975Heterostiidae Denison p. 23
1978Heterosteidae Denison
1984Heterosteidae Denison p. 396

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classPlacodermiM'Coy 1848
Arthrodira(Woodward 1891)
orderPhlyctaeniiformes
suborderBrachythoraciGross 1932
superfamilyHeterosteoideaDenison 1984
familyHeterosteidaeJaekel 1903
familyHeterosteidaeJaekel 1903

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Fm. †Heterosteidae Jaekel 1903
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G. †Herasmius Orvig 1969
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Herasmius granulatus Orvig 1969
G. †Yinostius Wang and Wang 1984
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Yinostius major Wang and Wang 1984
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Created: 2004-08-17 14:23:32
Modified: 2004-08-17 16:33:26
Source: o = order, subp = subphylum
Reference: Carroll 1988

Age range: base of the Late/Upper Emsian to the top of the Early/Lower Eifelian or 399.50000 to 390.50000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Emsian399.5 - 393.47China Yinosteus major (238391)
Early/Lower Eifelian393.47 - 390.5Svalbard and Jan Mayen Herasmius granulatus (239547)