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Irvingella convexa

Artiopoda - Ptychopariida - Elviniidae

Taxonomy
Komaspis convexa was named by Kobayashi (1935) [Komaspis? convexa]. Its type specimen is PA0895, a cephalon/head (cranidium), and it is a 3D body fossil.

It was recombined as Irvingella convexa by Chatterton (2020).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1935Komaspis convexa Kobayashi p. 142 figs. pl. 16, fig. 3
2020Irvingella convexa Chatterton p. 668 fig. 8.7

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyElviniidaeKobayashi 1936
genusIrvingellaUlrich and Resser 1924
speciesconvexa(Kobayashi 1935)

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.

Irvingella convexa Kobayashi 1935
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Spines: minorg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: well-developedf
Created: 2009-06-10 08:22:57
Modified: 2009-06-10 10:22:57
Source: g = genus, f = family, c = class
References: Aberhan et al. 2004, Hendy 2009

Age range: base of the Taoyuanian to the top of the Steptoean or 495.20000 to 493.50000 Ma

Collections (14 total)


Time interval Ma Country or state Original ID and collection number
Steptoean497.0 - 493.5Canada (British Columbia) Irvingella convexa (219685)
Furongian497.0 - 486.85South Korea Irvingella convexa (74269)
Taoyuanian495.2 - 486.85South Korea Irvingella convexa (133448 133449 133450 133451 133452 133453 133454 133456 133457 133458)
Taoyuanian495.2 - 486.85China (Zhejiang) Irvingella convexa (128304 128306)