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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).
It was assigned to Heterostiina by Denison (1975); to Heterosteina by Denison (1978); and to Heterosteoidea by Denison (1984).
Synonymy list
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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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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| 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 Emsian | China | Yinosteus major (238391) | |
| Early/Lower Eifelian | Svalbard and Jan Mayen | Herasmius granulatus (239547) |