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Acanthostrophia
Taxonomy
Acanthostrophia was named by Conti and Fischer (1984) [Sepkoski's age data: J Bajo Sepkoski's reference number: 909].
It was assigned to Zygopleuridae by Conti and Fischer (1984); to Opisthobranchia by Sepkoski (2002); to Abyssochrysidae by Kaim et al. (2008); and to Protorculidae by Nützel (1998), Kaim and Conti (2010).
It was assigned to Zygopleuridae by Conti and Fischer (1984); to Opisthobranchia by Sepkoski (2002); to Abyssochrysidae by Kaim et al. (2008); and to Protorculidae by Nützel (1998), Kaim and Conti (2010).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1984 | Acanthostrophia Conti and Fischer |
| 1998 | Acanthostrophia Nützel |
| 2002 | Acanthotrophia Sepkoski |
| 2008 | Acanthostrophia Kaim et al. |
| 2010 | Acanthostrophia Kaim and Conti p. 22 |
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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.
G. †Acanthostrophia Conti and Fischer 1984
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†Acanthostrophia acanthica Conti and Fischer 1984
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| Conti and Fischer 1984 | Coquille très élancée. Protoconque conique à tours nombreux, bombés et costulés. Tours de spire très nombreux, portant une rangée de fortes épines à leur partie inférieure. Aucune ornementation spirale. Base carénée à la périphérie, lisse, imperforée. Ouverture petite, holostome ; bord columellaire mince, faiblement excavé, formant une courbe assez brusque à son point de raccordement avec le labre. | |
| A. Kaim and M. A. Conti 2010 | Shell very elongated. Protoconch conical with many convex and ribbed whorls. Teleoconch with numerous whorls having a line of strong spines in their lower part. No spiral ornamentation present. Base angulate at the periphery, smooth, anomphalous. Aperture small and holostomatous; columellar edge thin, slightly excavated, forming a rather abrupt curve at the connection point with the lip. |