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Isotelus iowensis

Trilobita - Asaphida - Asaphidae

Taxonomy
Asaphus (Isotelus) iowensis was named by Owen (1852).

It was recombined as Isotelus iowaensis by Bolton (2000); it was recombined as Isotelus iowensis by Raymond and Narraway (1910), Raymond (1925) and Amati (2014).

Synonymy list
YearName and author
1852Asaphus (Isotelus) iowensis Owen figs. table 2, fig. 3 – 5; table 2A, figs. 1 – 7
1910Isotelus iowensis Raymond and Narraway figs. pl. 15, fig. 3
1925Isotelus iowensis Raymond p. 97
2000Isotelus iowaensis Bolton
2014Isotelus iowensis Amati pp. 17 - 18 figs. Pl. 12, Figs. 2, 3

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
subclassLibristoma
orderAsaphidaSalter 1864
superfamilyAsaphoideaSalter 1864
familyAsaphidaeBurmeister 1843
subfamilyIsotelinaeAngelin 1854
genusIsotelusDekay 1824
speciesiowensis(Owen 1852)

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.

Isotelus iowensis Owen 1852
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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: noneg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingo
Life habit: low-level epifaunalo
Diet: carnivoreg
Diet 2: detritivoreg
Vision: well-developedf
Created: 2009-06-08 11:29:44
Modified: 2020-06-15 08:39:53
Source: g = genus, f = family, o = order, c = class
References: Aberhan et al. 2004, Hendy et al. 2009, Hendy 2009

Age range: base of the Kirkfieldian to the top of the Richmondian or 460.90000 to 443.70000 Ma

Collections (12 total)


Time interval Ma Country or state Original ID and collection number
Chatfieldian460.9 - 449.5Canada (Ontario) Isotelus iowensis (26263 26270 26271)
Chatfieldian - Edenian460.9 - 449.5Canada (Nunavut) Isotelus iowaensis (192339) Isotelus iowensis (24116)
Edenian460.9 - 449.5USA (Illinois, Iowa) Isotelus iowensis (23809)
Edenian - Maysvillian460.9 - 449.5USA (Minnesota) Isotelus iowensis (23282)
Edenian - Maysvillian460.9 - 449.5USA (Illinois, Iowa) Isotelus iowensis (23810)
Kirkfieldian460.9 - 449.5Canada (Ontario) Isotelus iowensis (26192)
Turinian460.9 - 449.5USA (Missouri) Isotelus iowensis (175724)
Turinian460.9 - 449.5Canada (Ontario) Isotelus iowensis (26191)
Richmondian449.5 - 443.7USA (Michigan) Isotelus iowaensis (353)