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Semadiscus

Agnostida - Weymouthiidae

Taxonomy
Semadiscus was named by Romanenko (1978) [In: Repina & Romanenko (1978). Sepkoski's age data: Cm Boto-l]. It is not extant. Its type is Semadiscus sollennis.

It was assigned to Weymouthiidae by Jell and Adrain (2002); and to Agnostida by Sepkoski (2002).

Species
S. sollennis (type species)

Synonymy list
YearName and author
1978Semadiscus Romanenko
2002Semadiscus Jell and Adrain p. 443
2002Semadiscus Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
orderAgnostidaSalter 1864
suborderEodiscina
familyWeymouthiidaeKobayashi 1943
genusSemadiscusRomanenko 1978

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.

G. †Semadiscus Romanenko 1978
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†Semadiscus sollennis Romanenko 1978
Diagnosis
No diagnoses are available