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Obtusoconus paucicostatus

Helcionelloida - Helcionellida - Helcionellidae

Taxonomy
Obtusoconus paucicostatus was named by Yü (1979). It is not extant. Its type locality is Yangtzeconus priscus - Archaeospira ornata assemblage, Yangtze Gorge, Yichang, which is in a Tommotian carbonate phosphorite in the Huangshandong Formation of China. It is the type species of Obtusoconus.

Synonyms
Synonymy list
YearName and author
1979Obtusoconus paucicostatus
1983Hamatoconus pygmaeus Chen and Xiong p. 159 figs. pl. 4 f. 18
1989Hamataconus pygmaeus Missarzhevsky p. 181
2017Obtusoconus paucicostatus Kouchinsky et al. p. 338

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classHelcionelloidaPeel 1991
orderHelcionellida
superfamilyHelcionelloidea(Wenz 1938)
familyHelcionellidae
genusObtusoconus
speciespaucicostatus

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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Invalid names: Obtusoconus pygmaeus Chen and Xiong 1983 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Entire body: yesg
Adult width: 0.1 to < 1.0g
Adult height: 1.0 to < 10g
Thickness: thing
Folds: noneg
Ribbing: noneg
Spines: noneg
Internal reinforcement: noneg
Environment: marinec
Locomotion: slow-movingf
Life habit: low-level epifaunalf
Diet: detritivoref
Vision: limitedc
Created: 2009-03-16 08:12:47
Modified: 2009-03-16 10:12:47
Source: g = genus, f = family, c = class
References: Hendy 2009, Hendy et al. 2009, Gubanov et al. 2004

Age range: Tommotian or 525.50000 to 521.00000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Meishucunian530.7 - 521.0China (Hubei) Obtusoconus paucicostatus (106525 107789)
Meishucunian530.7 - 521.0China (Shaanxi) Obtusoconus paucicostatus (107775)
Tommotian525.5 - 521.0China (Hubei) Obtusoconus paucicostatus (type locality: 56807 155441)