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Parvidumus

Trilobita - Proetida - Phillipsiidae

Synonymy list
YearName and author
1980Parvidumus Kobayashi and Hamada p. 100
2002Parvidumus Jell and Adrain p. 422

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
Life
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderProetidaFortey and Owens 1975
superfamilyProetoideaHawle and Corda 1847
familyPhillipsiidaeOehlert 1886
subfamilyGriffithidinaeHupé 1953
genusParvidumus

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.

G. †Parvidumus Kobayashi and Hamada 1980
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Parvidumus cernunnos Hahn et al. 1984
Parvidumus densigranulatus Kobayashi and Hamada 1980
Diagnosis
ReferenceDiagnosis
T. Kobayashi and T. Hamada 1980Strongly granulate griffithides with forwardly expanding glabella which is encroaching frontal border; a pair of preoccipital lobes rather small and subtriangu- lar; eyes large, located in posterior; thorax composed of nine segments; pygidium with 9-11 axial rings and 7-8 pleural ribs; granules on them typically spinose.
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: Aberhan et al. 2004, Fortey and Owens 1999, Whittington et al. 1997

Age range: base of the Ivorian to the top of the Brigantian or 353.80000 to 326.40000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Ivorian353.8 - 345.3Belgium P. cernunnos (42553)
Holkerian - Brigantian342.8 - 326.4Japan P. densigranulatus (218837 218838)