Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Promegalaspides (Borogothus) stenorachis

Trilobita - Asaphida - Asaphidae

Taxonomy
Megalaspis stenorachis was named by Angelin (1851). It is the type species of Promegalaspides (Borogothus).

It was recombined as Promegalaspides (Borogothus) stenorhachis by Tjernvik (1956); it was recombined as Promegalaspides (Borogothus) stenorachis by Hoel (1999).

Synonymy list
YearName and author
1851Megalaspis stenorachis Angelin
1956Promegalaspides (Borogothus) stenorhachis Tjernvik pp. 253 - 254 figs. PI. IX, figs. 6-14. Text-fig. 41A
1999Promegalaspides (Borogothus) stenorachis Hoel

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
RankNameAuthor
subclassLibristoma
orderAsaphidaSalter 1864
superfamilyAsaphoideaSalter 1864
familyAsaphidaeBurmeister 1843
subfamilyPromegalaspidinaeJaanusson 1959
genusPromegalaspidesWestergård 1939
subgenusBorogothusTjernvik 1956
speciesstenorachis(Angelin 1851)

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.

show all | hide all
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-movingo
Life habit: low-level epifaunalo
Diet: carnivorec
Vision: well-developedf
Created: 2009-06-11 14:38:06
Modified: 2009-12-14 00:45:08
Source: f = family, o = order, c = class
References: Hendy 2009, Aberhan et al. 2004, Hendy et al. 2009

Age range: base of the Hunneberg to the top of the Lancefieldian or 482.90000 to 474.90000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Tremadocian - Floian486.85 - 471.3Norway (Modum) Promegalaspides stenorachis (190923)
Tremadocian - Floian486.85 - 471.3Sweden (Västergötland) Promegadaspides stenorachis (190976)
Tremadocian - Floian486.85 - 471.3Norway (Eiker-Sandsvær) Promegalaspides stenorachis (190879 190880 190888 190974)
Lancefieldian484.3 - 474.9Norway (Ringsaker) Promegalaspides stenorachis (190983)
Hunneberg482.9 - 475.6Sweden Promegalaspides stenorhachis (3194)
Billingen475.6 - 471.3Sweden Promegalaspides stenorhachis (192718)