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Igorella ungulata

Helcionelloida - Helcionellida - Helcionellidae

Taxonomy
Igorella ungulata was named by Rozanov et al. (1969) [Missarzhevsky in Rozanov et al. 1969]. Its type specimen is GIN 3593/86, a shell, and it is not a trace fossil. Its type locality is M314/4, M314/5, M314/5-10, right bank of the Fomich River, which is in a Tommotian carbonate limestone in the Pestrotsvet Formation of the Russian Federation. It is the type species of Igorella.

Synonymy list
YearName and author
1969Igorella ungulata Rozanov et al. p. 167 figs. pl. 2 f. 9; pl. 4 f. 12, 15, 21

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classHelcionelloidaPeel 1991
orderHelcionellida
superfamilyHelcionelloidea(Wenz 1938)
familyHelcionellidae
genusIgorella
speciesungulata

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.

†Igorella ungulata Rozanov et al. 1969
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Entire body: yesg
Adult length: 1.0 to < 10g
Adult width: 0.1 to < 1.0g
Adult height: 0.1 to < 1.0g
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 21:19:57
Modified: 2009-03-03 23:19:57
Source: g = genus, f = family, c = class
References: Feng et al. 2000, Hendy 2009, Hendy et al. 2009

Age range: base of the Meishucunian to the top of the Tommotian or 530.70000 to 521.00000 Ma

Collections (20 total)


Time interval Ma Country or state Original ID and collection number
Nemakit-Daldynian538.8 - 525.5Russian Federation (Khabarovsk Krai) Igorella ungulata (50367 50418)
Meishucunian530.7 - 521.0China (Shaanxi) Igorella ungulata (107775)
Tommotian525.5 - 521.0Russian Federation (Yakutiya) Igorella ungulata (96248 96395 96398 96399 96511)
Tommotian525.5 - 521.0Russian Federation (Siberia) Igorella ungulata (50428)
Tommotian525.5 - 521.0Russian Federation (Khabarovsk Krai) Igorella ungulata (50420)
Tommotian525.5 - 521.0Canada (Newfoundland and Labrador) Igorella ungulata (56958 56959)
Tommotian525.5 - 521.0Russian Federation (Uchur-Maya) Igorella ungulata (9998 99809)
Tommotian525.5 - 521.0Russian Federation (Krasnoyarsk Krai) Igorella ungulata (50429 type locality: 96392 96396 96397 232905 232906)