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Chaniella
Taxonomy
Chaniella was named by Benedetto (2009). Its type is Chaniella pascuali.
It was assigned to Chaniellidae by Benedetto (2009).
It was assigned to Chaniellidae by Benedetto (2009).
Species
C. pascuali (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2009 | Chaniella Benedetto p. 396 |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Benedetto 2009 | Convexiplane shell profile. Ventral interarea moderately high, transversely striated. Delthyrium bordered by narrow lateral plates. Notothyrium partially closed by chilidial plates. Ornament unequally parvicostellate. Valve margins often thickened by superposition of growth lamellae. Dental plates converging to valve floor to form in later growth stages a pseudospondylium merged anteriorly with a broad median ridge. Ventral diductor scars large, subtriangular; adductor field slightly longer than diductor scars, in some specimens confined to the anteromedian portion of muscle field. Ventral mantle canals strongly impressed with broad vascula myaria bounding gonocoels anteriorly and anterolaterally but not posterolaterally. Gonocoel areas with trunks variably projected to the margin. Cardinal process ridgelike. Dental sockets bounded by strong ridges subparallel to the hinge line. Dorsal muscle field large, quadripartite with posterior scars larger than anterior. Dorsal mantle canal system pinnate. |