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Spiniferites bentorii

From Fensome et al., 2019:
Spiniferites bentorii (Rossignol, 1964, p.84–85, pl.1, figs.3, 3bis, 5–8; pl.3, figs.1–3; text-figs.A–F) Wall and Dale, 1970, p.47–48. Holotype: Rossignol, 1964, pl.1, figs.3,7–8. Originally Hystrichosphaera, subsequently (and now) Spiniferites. Taxonomic junior synonyms: Hystrichosphaera (as Spiniferites) nodosa, according to Reid (1974, p.598) and Harland (1977b, p.98–99) — however, Lentin and Williams (1981, p.264) and Mertens et al. (2018a, p.18) retained Hystrichosphaera (as Spiniferites) nodosa; and Leptodinium churchillii, according to Harland (1977b, p.98–99) and Mertens et al. (2018a, p.18). The name Hystrichosphaera bentorii was not validly published in Rossignol (1961, pl.1, figs.7–8), who did not provide a description, and in Rossignol (1962, p.132), who did not illustrate this taxon or provide a reference to an illustration. Motile equivalent: Gonyaulax digitale (Pouchet, 1883) Kofoid, 1911, according to Wall and Dale (1967, p.352) and Dodge (1989, p.283). Age: Pleistocene–Holocene.

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Rossignol 1964, p. 84-85, pl.1, fig.3, 3bis, 7, 8; pl. 3, fig.2, 3; Text-fig.A-F
Hystrichosphaera bentori Rossignol 1962

Rossignol 1961: nomen nudum, pl. 1, fig.7, 8
Rossignol 1962, p.132

Holotype: Ashdod 15/0 - 172/172.5 m
Locus typicus: Ashdod 15/0 borehole
Stratum typicum: Pleistocene-Recent
Diagnosis: Large Hystrichospere with ovoidal test and apical protruberance. Tabulation typical of the genus, very clear: 3 pentagonal apical plates 3', 6 alternately hexa- and pentagonal precingulars 6'', the sixth being triangular; archaeopyle in the third one, hexagonal and mid-dorsal; 6 hexagonal cingulars 6c, forming a laevorotatory helicoidal band; one longitudinally elongate ventral plate; 6 pentagonal postcingulars 6''', the sixth rectangular and situated at the antapex of the ventral plate; finally, one posterior intercalary 1P between the first postcingular and the last plate, viz. the unique hexagonal antapical 1''''.
Processes at the plate corners, trifurcate, each branch finely bifurcate; the two antapical dorsals are very well developed.
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