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Igorella durara

Helcionelloida - Helcionellida - Helcionellidae

Taxonomy
Igorella durara was named by Kruse (1991). Its type specimen is P91/125, a shell, and it is a 3D body fossil. Its type locality is NTGS 4631. AMG 608985 KILGOUR, east bank of McArthur River, which is in an Ordian carbonate limestone in the Top Springs Formation of Australia.

Synonymy list
YearName and author
1991Igorella durara Kruse pp. 182 - 183 figs. 9G-O

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

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 durara Kruse 1991
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Diagnosis
ReferenceDiagnosis
P. D. Kruse 1991Moderately tall, slightly laterally compressed univalves up to nearly 4 mm in length, smooth or with indistinct coarse comargi nal plications expressed both intemally and externally; rarely with faint radial ornament near apex. Aperture planar, elliptical. Apex rostri form, ventrally directed, generally overhanging anterior lip of aperture.
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: Ordian or 511.20000 to 508.00000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Ordian511.2 - 508.0Australia (Northern Territory) Igorella durara (type locality: 131283 131295 131301)