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Oriostoma angulatum

Gastropoda - Euomphalina - Oriostomatidae

Taxonomy
Helicites angulatus was named by Wahlenberg (1821). It is not a trace fossil.

It was recombined as Inachus angulatus by Hisinger (1837); it was recombined as Straparollus angulatus by d'Orbigny (1850); it was recombined as Oriostoma angulatum by Lindström (1884), Rohr and Blodgett (1985) and Wagner (2023).

Synonymy list
YearName and author
1821Helicites angulatus Wahlenberg p. 72
1837Inachus angulatus Hisinger p. 37 figs. pl. 11 f. 12
1850Straparollus angulatus d'Orbigny p. 30
1884Oriostoma angulatum Lindström pp. 171 - 172 figs. pl. 20 f. 34-41
1985Oriostoma angulatum Rohr and Blodgett p. 672 figs. f. 2.11-2.12
2023Oriostoma angulatum Wagner p. 506

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassEogastropoda
orderEuomphalina
superfamilyOriostomatoidea()
familyOriostomatidaeKoken 1896
genusOriostoma
speciesangulatum()

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.

†Oriostoma angulatum Wahlenberg 1821
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calciteg
Composition 2: aragoniteg
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Adult height: 10 to < 100g
Folds: noneg
Ribbing: minorg
Spines: noneg
Internal reinforcement: noneg
Locomotion: stationaryg
Life habit: epifaunalg
Diet: suspension feederg
Vision: limitedc
Created: 2004-08-14 22:30:18
Modified: 2009-06-06 09:11:42
Source: g = genus, c = class
References: Knight et al. 1960, Kiessling 2004

Age range: base of the Richmondian to the top of the Gorstian or 449.60000 to 425.60000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Richmondian449.6 - 445.5USA (Alaska) Oriostoma angulatum (49341) Oriostoma sp. (49346)
Telychian438.5 - 433.4Sweden (Gotland) Oriostoma angulatum (3976)
Telychian438.5 - 433.4Norway (Oslo) Oriostoma angulatum (49985)
Sheinwoodian433.4 - 430.5Sweden (Gotland) Oriostoma angulatum (3977 13592 13597 13633)
Homerian - Gorstian430.5 - 425.6Sweden (Gotland) Oriostoma angulatum (13601)