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Alaionema crenulatum

Gastropoda - Euomphalina - Euomphalidae

Taxonomy
Cyclonema crenulata was named by Meek (1871). It is a 3D body fossil.

It was corrected as Cyclonema crenulatum by Thompson (1970); it was recombined as Alaionema crenulatum by Gubanov et al. (1995), Wagner (2023).

Synonymy list
YearName and author
1871Cyclonema crenulata Meek p. 79
1873Cyclonema crenulata Meek p. 213 figs. pl. 19 f. 2a-d
1970Cyclonema crenulatum Thompson p. 258
1995Alaionema crenulatum Gubanov et al. pp. 435 - 436
2023Alaionema crenulatum Wagner p. 2480

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassEogastropoda
orderEuomphalina
superfamilyEuomphaloidea()
familyEuomphalidae
genusAlaionema
speciescrenulatum()

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.

Alaionema crenulatum Meek 1871
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitef
Composition 2: low Mg calcitef
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Locomotion: stationaryf
Life habit: epifaunalf
Diet: suspension feederf
Diet 2: detritivoref
Vision: limitedc
Created: 2007-09-18 08:58:27
Modified: 2025-08-07 22:35:47
Source: f = family, c = class
Reference: Kiessling 2004

Age range: base of the Eifelian to the top of the Givetian or 393.47000 to 382.31000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Eifelian393.47 - 387.95USA (Ohio) Cyclonema crenulatum (129948 130152)
Givetian387.95 - 382.31USA (New York) Cyclonema crenulata (89708)