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Cornuata
Taxonomy
Cornuata was named by Janvier (1985).
It was assigned to Osteostraci by Janvier (1985), Voichyshyn (2006), Sansom (2009).
It was assigned to Osteostraci by Janvier (1985), Voichyshyn (2006), Sansom (2009).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1985 | Cornuata Janvier |
| 2006 | Cornuata Voichyshyn p. 132 |
| 2009 | Cornuata Sansom p. 112 |
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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.
Subcl. †Cornuata Janvier 1985
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Invalid names: Cephalaspidiens Janvier 1985 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subp = subphylum, p = phylum | |||||
| References: Carroll 1988, Kiessling 2004 | |||||
Age range: Early/Lower Emsian or 410.62000 to 399.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Emsian | Germany | Hildenaspis digitalis (238361) |