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Geragnostus (Novoagnostus) contractus

Agnostida - Metagnostidae

Taxonomy
Geragnostus (Novoagnostus) contractus was named by Zhou et al. (2014). Its type specimen is NIGP 155044, a pygidium, and it is a mold. Its type locality is Collection NJ371, Dawangou, northwestern Tarim Basin, which is in a Sandbian basinal (siliciclastic) mudstone/lime mudstone in the Saergan Formation of China.

Synonymy list
YearName and author
2014Geragnostus (Novoagnostus) contractus Zhou et al. p. 17 figs. fig. 8P

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
orderAgnostidaSalter 1864
suborderAgnostinaSalter 1864
superfamilyCondylopygoideaRaymond 1913
familyMetagnostidaeJaekel 1909
genusGeragnostusHowell 1935
subgenusNovoagnostusNielsen 1997
speciescontractus

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
Folds: noneg
Ribbing: noneg
Spines: minorg
Internal reinforcement: noneg
Locomotion: slow-movingo
Life habit: epifaunalo
Diet: detritivoreo
Vision: blindf
Created: 2009-06-08 08:52:30
Modified: 2009-06-08 10:52:30
Source: g = genus, f = family, o = order
References: Hendy 2009, Kiessling 2004

Age range: Sandbian or 458.20000 to 452.80000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Sandbian458.2 - 452.8China (Xinjiang) Geragnostus contractus (type locality: 188341 188342 188343)