Bozorgnites, Cozar, Vachard, and Le Coze

Vachard, Daniel, Coze, François Le, Cózar, Pedro & Gaillot, Jérémie, 2019, Bozorgnites nom. nov. and Crassispirellina nom. nov.: New names for the preoccupied foraminiferal genera Bozorgniella and Crassispirella, Palaeontologia Electronica (4 A) 22 (1), pp. 1-7 : 3

Genus BOZORGNITES Cózar, Vachard, and Le Coze pro Bozorgniella Cózar and Vachard, 2001 emend.

zoobank.org/ 2A1D3B89-EEEA-493D-9605-D226E442AC74

Etymology. As Bozorgniella , Bozorgnites is named in honor of Dr. Fathollah Bozorgnia, who described the type species. The genus is masculine.

Type Species. Dainella tumultuosa Bozorgnia, 1973 ( Figure 1). The holotype ( Figure 1.3) is deposited in the collections of the Geological Laboratories of the National Iranian Oil Company, Tehran, Iran .

Diagnosis. Test free, asymmetrical, with the last volution semi-evolute to evolute. Permanent deviations of the axis of coiling, varying up to 45° in the internal volutions, and reaching 90° for the last volution. Strong chomata. Wall coarsely granular and relatively brownish. Rounded periphery in the last whorl, subcarinate periphery in the inner whorls.

Comparisons. Bozorgnites nom. nov. differs from Eoparastaffellina by the subcarinate inner whorls and from Eoparastaffella by the rounded periphery of the last whorl ( Vachard and Arefifard, 2015).

Other species. Monotypic.

Occurrence. Endemic to Alborz ( Iran), where it seems to be latest Tournaisian and/or early Visean in age.

Remarks. The genus Bozorgniella / Bozorgnites was introduced as a transitional form between the Dainellidae and the Eoparastaffellinae , but this hypothesis was refuted by Devuyst (2006), because, in Iran, Bozorgnites appears after the first Eoparastaffellina . As a result, Bozorgnites is most probably transitional between Eoparastaffellina (with an ancestral rounded periphery) and true (i.e., carinate) Eoparastaffella . On the other hand, due to its strong deviations of the axis, coarse wall, and very sharp chomata, Bozorgnites is also possibly transitional to Pojarkovella and its plexus, which are relatively common in Iran ( Zandkarimi et al., 2014) and South China ( Hance et al., 2011).

Figures

FIGURE 1. Bozorgnites tumultuosus (Bozorgnia, 1973) modified from plate 12, figures 6-12 in Bozorgnia (1973). 1, paratype. Axial section. Immature specimen, similar to Eoparastaffellina but showing a subcarinate periphery in the inner whorls and chomata. 2, paratype. Typical axial section. 3, holotype. Axial section. Subcarinate periphery at the penultimate whorl, rounded in the other whorls. 4-7, four paratypes relatively similar to Eoparastaffellina, except for the strong chomata. Scale bar equals 0.300 mm.