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Dentoglobigerina prasaepis
Taxonomy
Globigerina prasaepis was named by Blow (1967).
It was recombined as Turborotalia (Turborotalia) prasaepis by Fleisher (1974); it was recombined as Dentoglobigerina prasaepis by Wade et al. (2018).
It was recombined as Turborotalia (Turborotalia) prasaepis by Fleisher (1974); it was recombined as Dentoglobigerina prasaepis by Wade et al. (2018).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1962 | Globigerina ampliapertura euapertura Blow and Banner |
| 1967 | Globigerina prasaepis Blow pp. 382-383 |
| 1969 | Globigerina prasaepis Blow pp. 382-383 |
| 1974 | Turborotalia (Turborotalia) prasaepis Fleisher |
| 2018 | Dentoglobigerina prasaepis Wade et al. |
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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.
†Dentoglobigerina prasaepis Blow 1967
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†Globigerina ampliapertura euapertura Blow and Banner 1962
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. H. Blow 1969 | The large globose test consists of about 14 chambers arranged in a low trochospire with 3 1/2 chambers in the final whorl. The chambers of the final whorl are moderately inflated, subspherical but fairly closely appressed, especially the last chamber. The umbilicus is deep, open and rectangular in outline. The aperture of the final chamber is an elongate, low arch extending from the umbilical shoulders of the two opposing earlier chambers; the confines of the aperture extend well beyond the umbilicus. The aperture is bordered by a thin continuous rim-like lip and is not depressed into the umbilicus. The relict apertures of the earlier chambers are widely open, semicircular arches and can usually be easily observed within the umbilical cavity. The ventral intercameral sutures are sub-radial in direction, moderately incised and the equatorial profile is not greatly lobate so giving a general globose and tumid appearance to the test. The wall is calcareous, radial hyaline and is densely and coarsely perforate [62a]. The pores open into distinct pits which have strongly developed ridges between them. The pits are bordered by small mamelon-like rugosities formed by the confluence of the pit-ridges. Maximum diameter of holotype 0.45 mm. |