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Agelagma

Trilobita - Ptychopariida - Catillicephalidae

Taxonomy
Agelagma was named by Opik (1967) [Sepkoski's age data: Cm uMid-u Cm Dres-l Sepkoski's reference number: 16]. It is not extant.

It was assigned to Catillicephalidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).

Synonyms
Synonymy list
YearName and author
1967Agelagma Opik
1980Distazeris (Paradistazeris) Zhang et al.
2002Agelagma Jell and Adrain p. 338
2002Agelagma Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyCatillicephalidaeRaymond 1938
genusAgelagmaRaymond 1937

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. †Agelagma Opik 1967
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Invalid names: Paradistazeris Zhang et al. 1980 [synonym]
Diagnosis
No diagnoses are available