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Morozovelloides
Discussion
DISCUSSION. The new genus accommodates several lower-middle Eocene species that have generally been placed in Morozovella in recent years, but which are believed to have evolved from Acarinina. The concept of Morozovelloides was developed in discussions with R.D. Norris (pers. comm., 2001).
Taxonomy
Morozovelloides was named by Pearson and Berggren (2006) [DESCRIPTION. Type of wall: Muricate, with a tendency for concentration of the muricae around the periphery and umbilical region and possessing smooth areas on the spiral side. Test morphology: Low trochospiral, generally lobulate or petaloid in outline, with concentration of bladed muricae around the periphery forming a discontinuous muricocarina. Four to eight chambers in the final whorl; aperture umbilical-extraumbilical or wholly extraumbilical.].
It was assigned to Truncorotaloididae by Pearson and Berggren (2006).
It was assigned to Truncorotaloididae by Pearson and Berggren (2006).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2006 | Morozovelloides Pearson and Berggren p. 327 fig. 342 |
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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. †Morozovelloides Pearson and Berggren 2006
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P.N. Pearson and W.A. Berggren 2006 | Type of wall: Muricate, with a tendency for concentration of the muricae around the periphery and umbilical region and possessing smooth areas on the spiral side. Test morphology: Low trochospiral, generally lobulate or petaloid in outline, with concentration of bladed muricae around the periphery forming a discontinuous muricocarina. Four to eight chambers in the final whorl; aperture umbilical-extraumbilical or wholly |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Kiessling 2004, Loeblich and Tappan 1984 | |||||