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Geigibole thomasi

Trilobita - Proetida - Phillipsiidae

Taxonomy
Archegonus (Geigibole) thomasi was named by Brauckmann (1973). Its type specimen is SMF 22733 (Panzer) and is a 3D body fossil.

It was recombined as Pseudowaribole (Geigibole) thomasi by Brauckmann (1978); it was recombined as Geigibole thomasi by Müller and Hahn (2022).

Sister species lacking formal opinion data
Pseudowaribole inusitata, Pseudowaribole sajambrensis

Synonymy list
YearName and author
1973Archegonus (Geigibole) thomasi Brauckmann pp. 85–95, 99 figs. Tab. 1, Taf. 3, Fig. 23, Abb. 44, 47–50
1978Pseudowaribole (Geigibole) thomasi Brauckmann p. 15–19 figs. Taf.1, Fig. 1, Abb. 23–25
2022Geigibole thomasi Müller and Hahn pp. 105 - 107 figs. Taf. 3, Fig. 1–4, Taf. 4, Fig. 1–6, Abb. 3a–b

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderProetidaFortey and Owens 1975
superfamilyProetoideaHawle and Corda 1847
familyPhillipsiidaeOehlert 1886
subfamilyWeaniinaeOwens 1983
genusGeigibole(Gandl 1968)
speciesthomasi(Brauckmann 1973)

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.

†Geigibole thomasi Brauckmann 1973
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Diagnosis
ReferenceDiagnosis
P. Müller and G. Hahn 2022A species of Geigibole with the following characters: Glabella narrow. Posterior portion of glabella at δ significantly widened. Anterior section of fixigenes between β–β narrow. Palpebral lobes moderately long and narrow. δ located outside the longitudinal projection of β. Eyes large. Librigenal spines moderately long and very narrow. Pygdium strongly shortened with eight (?+) rings and four (+) weakly developed pairs of ribs. Pygidial axis wide with bluntly rounded terminal portion.
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: deposit feedero
Vision: well-developedf
Created: 2009-12-19 02:34:58
Modified: 2009-12-19 04:34:58
Source: f = family, o = order, c = class
References: Fortey and Owens 1999, Whittington et al. 1997, Aberhan et al. 2004
Collections
No collection or age range data are available