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Helcionella subrugosa

Helcionelloida - Helcionellidae

Taxonomy
Helcion subrugosus was named by d'Orbigny (1850) [Replacement for ?Metoptoma rugosa Hall 1847 non ?Patella rugosa Sowerby 1816 ]. It is a 3D body fossil.

It was recombined as Helcionella subrugosa by Knight (1941), Runnegar and Jell (1976), Geyer (1986), Landing and Bartowski (1996).

Sister species lacking formal opinion data
H. antiqua, H. buttsi, H. callahani, H. elongata

Synonyms
Synonymy list
YearName and author
1847Metoptoma rugosa Hall
1850Helcion subrugosus d'Orbigny p. 9
1885Stenotheca rugosa Matthew
1886Stenotheca rugosa Walcott pp. 128 - 129 figs. pl. 12 f. 1a-c (not 1d-e)
1890Stenotheca rugosa Walcott
1892Stenotheca rugosa Tate
1900Stenotheca rugosa Grabau
1905Stenotheca rugosa Walcott
1909Helcionella rugosa Grabau and Shimer pp. 607 - 608 fig. 810
1934Stenotheca rugosa Cobbold
1941Helcionella subrugosa Knight p. 142 figs. pl. 3 f. 1
1976Helcionella subrugosa Runnegar and Jell pp. 126
1986Helcionella subrugosa Geyer p. 75 figs. pl. 2 f. 15-17, ?18
1996Helcionella subrugosa Landing and Bartowski pp. 754

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classHelcionelloidaPeel 1991
familyHelcionellidae
genusHelcionella
speciessubrugosa()

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.

†Helcionella subrugosa Hall 1847
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Invalid names: Metoptoma rugosa Hall 1847 [replaced]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Entire body: yesg
Adult length: 1.0 to < 10g
Adult width: 1.0 to < 10g
Adult height: 1.0 to < 10g
Thickness: thing
Folds: noneg
Ribbing: minorg
Spines: noneg
Internal reinforcement: noneg
Environment: marinec
Locomotion: slow-movingf
Life habit: low-level epifaunalf
Diet: detritivoref
Vision: limitedc
Created: 2009-03-03 21:21:51
Modified: 2009-03-16 10:15:07
Source: g = genus, f = family, c = class
References: Hendy 2009, Hendy et al. 2009, Feng et al. 2000

Age range: base of the Dyeran to the top of the Solvan or 515.30000 to 504.50000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Botomian516.0 - 512.1Norway (Mjosen) Helcionella rugosa (42220)
Dyeran515.3 - 509.7USA (Nevada) Stenotheca rugosa (203345)
Dyeran515.3 - 509.7USA (New York) Helcionella subrugosa (78767)
Solvan508.2 - 504.5Morocco (High Atlas) Helcionella subrugosa (50547 56970)