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Acmarhachis typicalis

Agnostida - Agnostidae

Taxonomy
Acmarhachis typicalis was named by Resser (1938) [TYPE LOCALITY: Conasauga Fm, Alabama (Middle Cambrian). HISTORY: Original designation.].

Synonyms
Synonymy list
YearName and author
1938Acmarhachis typicalis Resser
1987Cyclagnostus yaogongbuensis Lu and Lin
1996Acmarhacis typicalis Westrop et al. p. 820

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
orderAgnostidaSalter 1864
suborderAgnostinaSalter 1864
superfamilyCondylopygoideaRaymond 1913
familyAgnostidaeM'Coy 1849
genusAcmarhachisResser 1938
speciestypicalisResser 1938

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.

†Acmarhachis typicalis Resser 1938
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Invalid names: Cyclagnostus yaogongbuensis Lu and Lin 1987 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Entire body: yesg
Adult length: 1.0 to < 10g
Adult width: 1.0 to < 10g
Spines: noneg
Locomotion: slow-movingo
Life habit: epifaunalo
Diet: detritivoreo
Vision: blindf
Created: 2009-02-25 10:55:17
Modified: 2009-02-25 12:55:17
Source: g = genus, f = family, o = order
References: Hendy 2009, Kiessling 2004

Age range: base of the Guzhangian to the top of the Paibian or 500.50000 to 494.00000 Ma

Collections (33 total)


Time interval Ma Country or state Original ID and collection number
Menevian504.5 - 499.5USA (Utah) Acmarhachis typicalis (230681)
Guzhangian500.5 - 497.0China (Hunan) Acmarhachis typicalis (49176 49177 49190 126314 126315 126323 126330) Cyclagnostus yaogongbuensis (128931 128933)
Guzhangian500.5 - 497.0China (Zhejiang) Cyclagnostus yaogongbuensis (125542 125686)
Ayusokkanian499.5 - 497.0Kazakhstan Acmarhachis typicalis (118177 118178 118179 118186 118234 118235)
Taoyuanian498.5 - 485.4Russian Federation (Sakha) Acmarhachis typicalis (133600)
Taoyuanian498.5 - 485.4South Korea Acmarhachis typicalis (133479 133480 133484 133485 133492 133516 133524 133525)
Paibian497.0 - 494.0China (Hunan) Acmarhachis typicalis (49191 49196)
Dresbachian497.0 - 485.4Canada (Newfoundland and Labrador) Acmarhacis typicalis (9696)
Dresbachian497.0 - 485.4Canada (Yukon) Acmarhachis typicalis (55221 55279)
Dresbachian497.0 - 485.4USA (Nevada) Acmarhachis typicalis (10505)