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Nanillaenus

Trilobita - Corynexochida - Illaenidae

Taxonomy
Nanillaenus was named by Jaanusson (1954).

It was assigned to Corynexochida by Sepkoski (2002); and to Illaenidae by Harrington and Leanza (1957), Zhou et al. (1998) and Jell and Adrain (2002).

Species
N. aduncus, N. crassus, N. gualcamayensis, N. mackenziensis
Species lacking formal opinion data
N. primitivus

Synonymy list
YearName and author
1954Nanillaenus Jaanusson
1957Nanillaenus Harrington and Leanza
1998Nanillaenus Zhou et al. p. 714
2002Nanillaenus Jell and Adrain p. 409
2002Nanillaenus Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderCorynexochida
familyIllaenidaeHawle and Corda 1847
genusNanillaenusJaanusson 1954

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. †Nanillaenus Jaanusson 1954
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†Nanillaenus aduncus Chatterton and Ludvigsen 1976
†Nanillaenus crassus Zhou et al. 2014
†Nanillaenus gualcamayensis Harrington and Leanza 1957
†Nanillaenus mackenziensis Chatterton and Ludvigsen 1976
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: noneg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Vision: well-developedg
Comments: BODY SIZE: Data from Harrington et al. (1959).g
Created: 2009-06-09 21:38:14
Modified: 2010-01-22 05:44:00
Source: g = genus, o = order, c = class
References: Hendy et al. 2009, Aberhan et al. 2004, Hendy 2009

Age range: base of the Darriwilian to the top of the Sandbian or 467.30000 to 453.00000 Ma

Collections (30 total)


Time interval Ma Country or state Original ID and collection number
Arenig478.6 - 466.0Argentina N. sp. (8719 9038)
Arenig478.6 - 466.0China (Xinjiang) N. primitivus (170837)
Middle Ordovician470.0 - 458.4USA (Tennessee) N. sp. (319)
Chazyan470.0 - 457.3Canada (Northwest Territories) N. aduncus (26054 26055 26057) N. aduncus, N. mackenziensis (25932 25933 25934) N. mackenziensis (24621 25935 26056 26060) N. sp. (315)
Llanvirn468.0 - 458.4China (Xinjiang) N. primitivus (170840 170842)
Darriwilian467.3 - 458.4China (Xinjiang) N. crassus (188380)
Darriwilian467.3 - 458.4Argentina (San Juan) N. gualcamayensis (116105)
Sandbian458.4 - 453.0United Kingdom (Scotland) N. superstes (208120 208122 208123 208129)
Caradoc458.4 - 449.5Canada (Ontario) N. sp. (64477)
Mohawkian457.3 - 451.0USA (Nevada) N. sp. (105563)
Blackriveran457.3 - 449.6Canada (Northwest Territories) N. mackenziensis (24628) N. sp. (24631 25930) N. sp., N. mackenziensis (25931)
Burrellian456.6 - 452.5United Kingdom (Scotland) N. superstes (165043)