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Bettonolithus

Trilobita - Asaphida - Trinucleidae

Taxonomy
Bettonolithus was named by Morris (1988). It is not extant.

It was assigned to Trilobita by Kennedy (1988); and to Trinucleidae by Jell and Adrain (2003).

Synonyms
  • Bettonia was named by Whittard (1956) [Sepkoski's age data: O Llvi-l O Llde-l Sepkoski's reference number: 378]. It is not extant.

    It was replaced with Bettonolithus by Morris (1988).

    It was assigned to Asaphida by Sepkoski (2002).
Synonymy list
YearName and author
1956Bettonia Whittard
1988Bettonolithus Kennedy p. 14
1988Bettonolithus Morris
2002Bettonia Sepkoski, Jr.
2003Bettonolithus Jell and Adrain p. 349

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumMandibulata
classTrilobitaWalch 1771
subclassLibristomaFortey 1990
orderAsaphidaSalter 1864
familyTrinucleidaeHawle and Corda 1847
genusBettonolithusMorris 1988

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