Archaeodictyomitra conica (Aliev, 1965)
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publication ID |
https://doi.org/ 10.35463/j.apr.2022.02.06 |
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persistent identifier |
https://treatment.plazi.org/id/EE35878D-0E5D-AA03-5708-F950FF12FDA4 |
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treatment provided by |
Felipe |
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scientific name |
Archaeodictyomitra conica (Aliev, 1965) |
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Archaeodictyomitra conica (Aliev, 1965)
Fig. 14d, e View Fig
?1965 Cornutana conica Aliev , p. 34, pl. 6, fig. 1.
1973 Cornutana conica Aliev – Moore, p. 830, pl. 14, fig. 1, non 2 = Archaeodictyomitra lacrimula (Foreman, 1973) .
?1977b Thanarla conica (Aliev) – Pessagno, p. 45, pl. 7, figs. 1, 13, 15.
1994 Thanarla brouweri (Tan) – O’Dogherty, p. 86, pl. 5, fig. 2, non 1, 3-12.
Description. Shell very small, conical with ten costae in lateral view and probably 4 or, maximum, 5 segments. Distal part rounded in outline with narrowing margin.
Aperture large, circular, with protruding rim. Pores very small, circular, disposed in one longitudinal row in each intercostal groove.
Studied material. A single specimen in sample OZ 839, illustrated in lateral and obliquely basal views, coll. MGP-PD, stub PD120-OZ824-R13-08, 09.
Dimensions. Length 114 µm, maximum diameter 72 µm.
Remark s. This species resembles. in size and shape A. pumila n. sp. (see below), from which it only differs by having numerous small pores in each intercostal area. From the holotype of Aliev’s species it differs in only being narrower.
Occurrence. Very rare in S’Ozzastru section, upper Valanginian.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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