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Micragnostus calvus

Artiopoda - Agnostida - Agnostidae

Taxonomy
Agnostus calvus was named by Lake (1906). It is the type species of Micragnostus.

It was recombined as Micragnostus calvus by Howell (1935).

Sister species lacking formal opinion data
M. chayasaensls, M. hoeki, M. insuetus, M. languedocensis

Synonymy list
YearName and author
1906Agnostus calvus Lake
1935Micragnostus calvus Howell

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
orderAgnostidaSalter 1864
suborderAgnostinaSalter 1864
superfamilyCondylopygoideaRaymond 1913
familyAgnostidaeM'Coy 1849
genusMicragnostusHowell 1935
speciescalvus(Lake 1906)

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.

†Micragnostus calvus Lake 1906
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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
Folds: noneg
Ribbing: noneg
Spines: noneg
Internal reinforcement: noneg
Locomotion: slow-movingo
Life habit: epifaunalo
Diet: detritivoreo
Vision: blindf
Created: 2009-06-08 08:43:37
Modified: 2009-06-08 10:43:37
Source: g = genus, f = family, o = order
References: Hendy 2009, Kiessling 2004

Age range: Migneintian or 481.10000 to 477.10000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Tremadocian486.85 - 477.1United Kingdom Agnostus calvus (208218 208223 208225)
Migneintian481.1 - 477.1United Kingdom (England) Agnostus calvus (3710)