|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Strophomenata - Strophomenida - Strophomenidae
It was recombined as Kulumbella bella by Rubel (1970); it was recombined as Pentlandina bella by Cocks (1978); it was recombined as Glossoleptaena bella by Temple (1987); it was recombined as Cyphomenoidea bella by Jin and Copper (1998).
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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.
|A. Williams 1951||Quadrate, emarginate, the antero-lateral corners projecting ventrally and the central portion of the anterior margin projecting dorsally, gentle concavo-convex, ribbing finely parvicostellate, with a prominent median primary, rugae orientated in two directions, the stronger set running across the shell in slightly curved arcs convex towards the anterior, the weaker set at right angles running in curved arcs, convex laterally and especially conspicuous antero-laterally. 1No interiors are preserved.
The intersection of two sets of rugae at right angles is probably the early stage in the development of the peculiar patterns of such forms as Leptaena wisgoriensis Lamont and L. julia Twenhofel (1928, p. 184, pl. xxii, figs. 1 and 2). From these, however, the new species differs in the emarginate anterior margin, and in its small size.