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Tyriaspis
Taxonomy
Tyriaspis was named by Heintz (1967) [Sepkoski's age data: S Prid Sepkoski's reference number: 672,1066]. It is not extant.
It was assigned to Cephalaspidiformes by Sepkoski (2002); and to Tremataspidoidea by Sansom (2009).
It was assigned to Cephalaspidiformes by Sepkoski (2002); and to Tremataspidoidea by Sansom (2009).
Species
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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subp = subphylum, p = phylum | |||||
| References: Carroll 1988, Kiessling 2004 | |||||