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Bonnima semidiscoidea

Trilobita - Corynexochida - Dorypygidae

Taxonomy
Bonnima semidiscoidea was named by Fritz (1991). Its type specimen is GSC 91877, a pygidium, and it is a 3D body fossil. Its type locality is Collection 90671, which is in a Dyeran marine limestone in the Illtyd Formation of Canada. It is the type species of Bonnima.

Synonymy list
YearName and author
1991Bonnima semidiscoidea Fritz p. 25 figs. Pl. 14, figs. 15-18

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderCorynexochida
suborderCorynexochinaKobayashi 1935
familyDorypygidaeKobayashi 1935
genusBonnima
speciessemidiscoidea

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.

Bonnima semidiscoidea Fritz 1991
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Vision: well-developedf
Created: 2009-12-14 06:22:53
Modified: 2009-12-14 08:22:53
Source: f = family, o = order, c = class
References: Hendy et al. 2009, Whittington et al. 1997, Aberhan et al. 2004

Age range: Dyeran or 515.30000 to 509.70000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Dyeran515.3 - 509.7Canada (Yukon Territory) Bonnima semidiscoidea (type locality: 156234 156235)