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Chrustenoporidae
Taxonomy
Chrustenoporidae was named by Baarli (1988). Its type is Chrustenopora.
It was assigned to Enteletoidea by Baarli (1988) and Williams et al. (2000).
It was assigned to Enteletoidea by Baarli (1988) and Williams et al. (2000).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Chrustenoporidae Baarli p. 1120 |
| 2000 | Chrustenoporidae Williams et al. p. 836 |
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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.
Fm. †Chrustenoporidae Baarli 1988
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G. †Jezercia Havlicek and Mergl 1982
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†Jezercia chrustenicensis Havlicek 1951
†Jezercia ostiaria Havlicek and Mergl 1982
†Jezercia rongi Baarli 1988
†Jezercia wrighti Havlicek 1977
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. G. Baarli 1988 | Biconvex to unequally biconvex, transverse elliptical Enteletacea. Low, apsacline ventral and anacline dorsal interarea. Fascicostellate to multicostellate. Pedicle muscle field oval to pentagonal with elongate, simple diductor scars bordering, but not enclosing or going beyond broad adductor tract anteriorly. Very short cardinalia consist of simple ridge-like to lobed cardinal process, strongly divergent brachiophores. Very short brachiophore bases extend anteriorly parallel to subparallel with continuation and do not contain adductor fields anteriorly. Fulcral plates often present, concave and flooring small dental sockets. Variably developed dorsal muscle field with oblique transverse ridges. Differs from both Dalmanellidae and Draboviidae in its very short cardinalia. The latter possesses long brachiophores, directed anteroventrally with high perpendicular supporting plates, as opposed to short brachiophores, very divergent anteroposteriorly with extremely short supporting plates. Dalmanellidae differs in having less convex dorsal valve and cordate ventral muscle field, with diductor scars usually extending beyond adductor scars. Continuation of brachiophore bases is variably disposed. |