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Eomonorachus intermedius

Trilobita - Phacopida - Pterygometopidae

Taxonomy
Dalmanites intermedius was named by Walcott (1879).

It was recombined as Pterygometopus intermedius by Branson (1909); it was recombined as Eomonorachus intermedius by Ludvigsen and Chatterton (1982).

Synonymy list
YearName and author
1879Dalmanites intermedius Walcott p. 69
1909Pterygometopus intermedius Branson p. 47 figs. pl. 7, fig. 20
1982Eomonorachus intermedius Ludvigsen and Chatterton pp. 2188 - 2191 figs. Pl. 1, figs. 8, 9; P1. 2, figs. 4- 15; P1. 3, fig. 1; Fig. 5

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderPhacopinaStruve 1959
superfamilyPhacopoideaHupe 1953
familyPterygometopidaeReed 1905
subfamilyEomonorachinaePillet 1954
genusEomonorachusDelo 1935
speciesintermedius(Walcott 1879)

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.

†Eomonorachus intermedius Walcott 1879
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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-movingc
Life habit: low-level epifaunalc
Diet: carnivoresubo
Vision: well-developedf
Created: 2009-06-11 18:42:15
Modified: 2009-12-19 04:28:20
Source: f = family, subo = suborder, c = class
References: Hendy 2009, Aberhan et al. 2004, Fortey and Owens 1999

Age range: base of the Turinian to the top of the Maysvillian or 457.30000 to 449.60000 Ma

Collections (12 total)


Time interval Ma Country or state Original ID and collection number
Turinian457.3 - 453.8USA (Missouri) Pterygometopus intermedius (175724)
Blackriveran - Rocklandian457.3 - 449.6USA (Illinois, Iowa) Eomonorachus intermedius (23795)
Kirkfieldian457.3 - 449.6USA (Illinois, Iowa) Eomonorachus intermedius (23797 23798)
Rocklandian457.3 - 449.6USA (Iowa/Wisconsin) Eomonorachus intermedius (23116 23117)
Rocklandian - Kirkfieldian457.3 - 449.6USA (Illinois, Iowa) Eomonorachus intermedius (23796)
Rocklandian - Shermanian457.3 - 449.6USA (Minnesota) Eomonorachus intermedius (23277)
Shermanian457.3 - 449.6USA (Illinois, Iowa) Eomonorachus intermedius (23799)
Shermanian457.3 - 449.6USA (Minnesota) Eomonorachus intermedius (23092)
Edenian - Maysvillian451.0 - 449.6USA (Minnesota) Eomonorachus intermedius (23282)
Edenian - Maysvillian451.0 - 449.6USA (Illinois, Iowa) Eomonorachus intermedius (23810)