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Rhaptagnostus cyclopygeformis

Agnostida - Diplagnostidae

Taxonomy
Agnostus cyclopygeformis was named by Sun (1924). It is not extant.

It was recombined as Pseudagnostus cyclopygeformis by Kobayashi (1932); it was recombined as Rhaptagnostus cyclopygeformis by Whitehouse (1936).

Sister species lacking formal opinion data
R. convergens, R. impressus

Synonymy list
YearName and author
1924Agnostus cyclopygeformis Sun
1932Pseudagnostus cyclopygeformis Kobayashi
1936Rhaptagnostus cyclopygeformis Whitehouse

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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
familyDiplagnostidaeWhitehouse 1936
genusRhaptagnostusJaekel 1909
speciescyclopygeformis(Sun 1924)

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.

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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 10:11:19
Modified: 2009-02-25 12:11:19
Source: g = genus, f = family, o = order
References: Hendy 2009, Kiessling 2004

Age range: base of the Sakian to the top of the Batyrbaian or 497.00000 to 485.40000 Ma

Collections (39 total)


Time interval Ma Country or state Original ID and collection number
Taoyuanian498.5 - 485.4China (Hunan) Rhaptagnostus cyclopygeformis (107326 126716 126721)
Taoyuanian498.5 - 485.4China (Liaoning) Rhaptagnostus cyclopygeformis (126813)
Taoyuanian498.5 - 485.4China (Shandong) Rhaptagnostus cyclopygeformis (126777 126857)
Sakian497.0 - 492.8Kazakhstan Rhaptagnostus cyclopygeformis (118373 118376 118379 118380)
Aksaian492.8 - 491.5Kazakhstan Rhaptagnostus cyclopygeformis (118382 118387 118391 118394 118397 118401 118402 118403 118442 118444 118446 118447 118450 118451 118454 118455 118456 118458 118460 118464 118476 118477 118479 118486 118487)
Batyrbaian491.5 - 485.4Kazakhstan Rhaptagnostus cyclopygeformis (118893 118897 118903 118907)