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Pachyosteus
Taxonomy
Pachyosteus was named by Jaeckel (1903) [Sepkoski's age data: D Fras-u Sepkoski's reference number: 521]. It is not extant.
It was assigned to Dinichthyidae by Jordan (1963); to Arthrodira by Sepkoski (2002); and to Selenosteidae by Denison (1978) and Rücklin (2011).
It was assigned to Dinichthyidae by Jordan (1963); to Arthrodira by Sepkoski (2002); and to Selenosteidae by Denison (1978) and Rücklin (2011).
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