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Phalacroma

Trilobita - Agnostida - Phalacromidae

Taxonomy
Phalacroma was named by Hawle and Corda (1847) [Sepkoski's age data: ]. It is not extant.

It was assigned to Phalacromidae by Whittington et al. (1997); to Agnostida by Sepkoski (2002); and to Agnostidae by Jell and Adrain (2003).

Species lacking formal opinion data

View classification of included taxa

Synonyms
Synonymy list
YearName and author
1847Phalacroma Hawle and Corda
1935Platagnostus Howell
1997Phalacroma Whittington et al. p. 381
2002Phalacroma Sepkoski, Jr.
2003Phalacroma Jell and Adrain p. 424

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderAgnostidaSalter 1864
familyPhalacromidaeHawle and Corda 1847
genusPhalacromaHawle and Corda 1847

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