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Amaea (Acrilla) affinis

Gastropoda - Epitoniidae

Taxonomy
Scalaria (Scalaria) affinis was named by Deshayes (1861) [DISTRIBUTION: Eocene; western Europe.]. It is not a trace fossil.

It was recombined as Scala affinis by Morellet and Morellet (1945); it was recombined as Amaea affinis by Piccoli and Savazzi (1983); it was recombined as Amaea (Acrilla) affinis by Pacaud and Le Renard (1995).

Sister species lacking formal opinion data
A. macula, A. texana, A. niasensis, A. suroclathrata, A. dickersoni, A. macula, Epitonium paytens

Synonymy list
YearName and author
1861Scalaria (Scalaria) affinis Deshayes pp. 339-340 figs. pl. 12, figs. 4-5
1945Scala affinis Morellet and Morellet
1983Amaea affinis Piccoli and Savazzi
1995Amaea (Acrilla) affinis Pacaud and Le Renard

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassCaenogastropoda(Cox 1959)
superfamilyEpitonioidea(Berry 1910)
familyEpitoniidaeBerry 1910
genusAmaeaBolten 1798
subgenusAcrilla(Adams and Adams 1860)
speciesaffinis(Deshayes 1861)

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.

†Amaea (Acrilla) affinis Deshayes 1861
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitef
Composition 2: low Mg calcitef
Entire body: yesg
Adult width: 10 to < 100g
Adult height: 10 to < 100g
Thickness: thing
Folds: noneg
Ribbing: minorg
Spines: noneg
Internal reinforcement: noneg
Locomotion: slow-movingf
Life habit: semi-infaunalg
Diet: carnivoref
Vision: limitedc
Created: 2009-03-16 10:37:01
Modified: 2018-03-19 13:34:38
Source: g = genus, f = family, c = class
References: Abbott and Dance 1986, Kiessling 2004, Beu et al. 1990

Age range: Bartonian or 41.03000 to 37.71000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Bartonian41.03 - 37.71France Amaea affinis (78567)
Bartonian41.03 - 37.71France (Île-de-France) Amaea affinis (179130)
Bartonian41.03 - 37.71France (Oise) Scala affinis (3494)