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Illaenopsis

Artiopoda - Asaphida - Nileidae

Taxonomy
Illaenopsis was named by Salter (1865) [Sepkoski's age data: O Trem-l O Llvi-l Sepkoski's reference number: 378]. It is not extant.

It was assigned to Illaenidae by Raymond (1916); to Asaphida by Sepkoski (2002); and to Nileidae by Harrington and Leanza (1957), Jell and Adrain (2002).

Species
I. stenorhachis, I. thomsoni
Species lacking formal opinion data
I. griffei

Synonyms
Synonymy list
YearName and author
1865Illaenopsis Salter
1916Illaenopsis Raymond p. 9
1957Illaenopsis Harrington and Leanza
1965Rokycania Pribyl and Vanek
1976Pseudobarrandia Courtessole and Pillet
2002Illaenopsis Jell and Adrain p. 387
2002Illaenopsis Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
subclassLibristoma
orderAsaphidaSalter 1864
superfamilyCyclopygoideaRaymond 1925
familyNileidaeAngelin 1854
genusIllaenopsisSalter 1865

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. †Illaenopsis Salter 1865
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†Illaenopsis stenorhachis Harrington 1938
†Illaenopsis thomsoni Salter 1866
Invalid names: Rokycania Pribyl and Vanek 1965 [synonym]
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: limitedg
Created: 2010-06-25 03:56:03
Modified: 2010-06-25 05:56:03
Source: g = genus, f = family, o = order, c = class
References: Aberhan et al. 2004, Hendy 2009, Hendy et al. 2009

Age range: base of the Tremadoc to the top of the Floian or 486.40000 to 471.30000 Ma

Collections (10 total)


Time interval Ma Country or state Original ID and collection number
Stage 10 - Tremadoc491.0 - 477.1Argentina (Salta) I. stenorhachis (115828)
Tremadoc486.4 - 477.1Argentina (Jujuy) I. sp. (115656) I. stenorhachis (9092)
Tremadoc486.4 - 477.1Argentina (Salta) I. stenorhachis (115758 115833)
Tremadoc486.4 - 477.1Argentina I. sp. (66205)
Floian477.1 - 471.3France (Montagne Noire) I. griffei (20827)
Klabava477.1 - 469.4Czechia (Prague) Rokycania sp. (76457)
Arenig477.1 - 468.0Argentina I. sp. (8777)
Arenig477.1 - 468.0United Kingdom (England) I. sp. (3704)