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Hemisphaerocoryphe sphaericus

Trilobita - Phacopida - Cheiruridae

Taxonomy
Trilobites sphaericus was named by Esmark (1833).

It was recombined as Hemisphaerocoryphe sphaericus by Nikolaisen (1961).

Synonymy list
YearName and author
1961Hemisphaerocoryphe sphaericus Nikolaisen

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyCheiruridaeHawle and Corda 1847
genusHemisphaerocorypheReed 1896
speciessphaericus(Esmark 1833)

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.

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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivoref
Vision: well-developedg
Created: 2010-01-12 04:56:25
Modified: 2010-01-12 06:56:25
Source: g = genus, f = family, c = class
References: Whittington et al. 1997, Aberhan et al. 2004, Hendy 2009

Age range: base of the Uhaku to the top of the Keila or 459.70000 to 453.00000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Uhaku - Kukruse459.7 - 456.8Norway (Asker) Hemisphaerocoryphe sphaericus (191103)
Uhaku - Kukruse459.7 - 456.8Norway (Oslo Asker) Hemisphaerocoryphe sphaericus (191102 191104)
Haljala - Keila456.8 - 453.0Norway (Oslo-Asker) Hemisphaerocoryphe sphaericus (191101)