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Bumastoides billingsi

Trilobita - Corynexochida - Illaenidae

Taxonomy
Bumastus billingsi was named by Raymond and Narraway (1908).

It was recombined as Bumastoides billingsi by Carlucci et al. (2012).

Sister species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1908Bumastus billingsi Raymond and Narraway p. 250 figs. Pl. 61 f. 1-2
2012Bumastoides billingsi Carlucci et al. pp. 709 - 711 figs. 8, 9

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumMandibulata
classTrilobitaWalch 1771
orderCorynexochidaKobayashi 1935
familyIllaenidaeHawle and Corda 1847
genusBumastoides()
speciesbillingsi(Raymond and Narraway 1908)

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
ReferenceDiagnosis
J. R. Carlucci et al. 2012Predominant shape of lunette is elliptical (character 4, state 1), path of the cranidial axial furrow is straight (character 5, state 0), 10 thoracic segments (character 8, state 2), large paired muscle scars present on pygidium (character 11, state 1), ratio of pygidial length to width is high (76–83%) (character 16, state 3), axial furrow expressed as notches flanking centre of the pygidial anterior margin (character 17, state 0).