Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Eomonorachus

Artiopoda - Phacopida - Pterygometopidae

Taxonomy
Eomonorachus was named by Delo (1935) [Sepkoski's age data: O Llde O Cara-m]. It is not extant.

It was assigned to Eomonorachinae by Ludvigsen and Chatterton (1982); to Phacopida by Sepkoski (2002); and to Pterygometopidae by Clarkson et al. (1977), Jell and Adrain (2002).

Synonymy list
YearName and author
1935Eomonorachus Delo
1977Eomonarachus Clarkson et al. p. 139
1982Eomonorachus Ludvigsen and Chatterton p. 2186
2002Eomonorachus Jell and Adrain p. 373
2002Eomonorachus Sepkoski

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
classArtiopodaHou and Bergstrom
RankNameAuthor
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderPhacopinaStruve 1959
superfamilyPhacopoideaHupe 1953
familyPterygometopidaeReed 1905
subfamilyEomonorachinaePillet 1954
genusEomonorachusDelo 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.

G. †Eomonorachus Delo 1935
show all | hide all
†Eomonorachus buttsi Cooper 1953
†Eomonorachus divaricatus Frederickson 1964
†Eomonorachus goodridgii Schuchert 1900
†Eomonorachus intermedius Walcott 1879
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: Aberhan et al. 2004, Fortey and Owens 1999, Hendy 2009

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

Collections (23 total)


Time interval Ma Country or state Original ID and collection number
Turinian457.3 - 453.8USA (Missouri) Pterygometopus intermedius (175724)
Mohawkian457.3 - 451.0USA (Virginia) E. sp. (76081 76082 85586 85595 85596 85597 85598 85600 85616)
Blackriveran457.3 - 449.6USA (Oklahoma) E. divaricatus (23892)
Blackriveran - Rocklandian457.3 - 449.6USA (Illinois, Iowa) E. intermedius (23795)
Kirkfieldian457.3 - 449.6USA (Illinois, Iowa) E. intermedius (23797 23798)
Rocklandian457.3 - 449.6USA (Iowa/Wisconsin) E. intermedius (23116 23117)
Rocklandian - Kirkfieldian457.3 - 449.6USA (Illinois, Iowa) E. intermedius (23796)
Rocklandian - Shermanian457.3 - 449.6USA (Minnesota) E. intermedius (23277)
Shermanian457.3 - 449.6USA (Minnesota) E. intermedius (23092)
Shermanian457.3 - 449.6USA (Illinois, Iowa) E. intermedius (23799)
Edenian - Maysvillian451.0 - 449.6USA (Minnesota) E. intermedius (23282)
Edenian - Maysvillian451.0 - 449.6USA (Illinois, Iowa) E. intermedius (23810)
Edenian - Maysvillian451.0 - 449.6Canada (Northwest Territories) Calyptaulax goodridgii (26942)