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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Asterosteidae
Taxonomy
Asterosteidae was named by Woodward (1891).
It was assigned to Arthrodira by Hay (1902); to Stegophthalami by Jordan (1963); and to Rhenanida by Denison (1975) and Denison (1978).
It was assigned to Arthrodira by Hay (1902); to Stegophthalami by Jordan (1963); and to Rhenanida by Denison (1975) and Denison (1978).
Subtaxa
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. †Asterosteidae Woodward 1891
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| Reference: Carroll 1988 | |||||
Age range: base of the Early/Lower Emsian to the top of the Late/Upper Emsian or 409.10000 to 391.90000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Emsian | Germany (Gemuenden) | Gemuendina stuertzi (26903) | |
| Early/Lower Emsian | Russian Federation | Ohioaspis sp. (35712) | |
| Late/Upper Emsian | Russian Federation | Ohioaspis sp. (35720) |