Pseudodictyomitra nodocostata Dumitrică, 1997

Dumitrica, Paulian, Dieni, Iginio & Massari, Francesco, 2022, Valanginian Radiolarians Of Ne Sardinia (Italy) In The Frame Of The Weissert Event, Acta Palaeontologica Romaniae 18 (2), pp. 97-159 : 144-145

Pseudodictyomitra nodocostata Dumitrică, 1997

Fig. 15a

1991 Pseudodictyomitra lilyae (Tan Sin Hok) – Ishida & Hashimoto, p. 50, pl. 2, fig. 14.

1997 Pseudodictyomitra nodocostata Dumitrică in Dumitrică et al., p. 35, pl. 6, figs. 2, 3, 15.

2009 Pseudodictyomitra nodocostata Dumitrică – Ishii et al., p. 343, pl.10, fig. 9.

Studied material. One specimen in OZ824 and another one in OZ839, coll. MGP-PD, stub PD120 - OZ839- R01- 07 .

Remarks. By its morphology and stratigraphic range, this species seems to derive from Pseudodictyomitra carpatica (Lozyniak, 1969) .

Dimensions. Total length 210 µm, maximum diameter 70 µm.

Range and occurrence. Upper Valanginian of Sardinia, Valanginian of North Pacific, lower Hauterivian of Svinița ( Romania) and upper Barremian of Masirah Island ( Oman).

Figures

Fig. 15 a - Pseudodictyomitra nodocostata Dumitrică, OZ839. b-e - Tethysetta usotanensis (Tumanda): b - OZ837, c, d - OZ836, c1 - details of pore morphology, e - OZ838. f-h - Tethysetta reducta Dumitrică n. sp.: f - OZ836, g - OZ839, h - OZ834. i - Tethysetta ovoidala Dumitrică, OZ836, i1 - details of pore morphology. j-l - Tethysetta cingulifera Dumitrică: j - OZ838, k, l - OZ839. m - Favosyringium affine (Rüst), OZ834. n - Favosyringium cf. affine (Rüst), fragment of shell, OZ836. o - Favosyringium quadriaculeatum Steiger, fragment of shell, OZ838. p-t - Pseudoxitus seriola Dumitrică: p - OZ839, r-t - OZ836. Figs. a-I, m-t x250, figs. j-l x300.