Apiaromitra tyaughtonensis (Cordey, 1998)

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 : 143

publication ID

https://doi.org/ 10.35463/j.apr.2022.02.06

persistent identifier

https://treatment.plazi.org/id/EE35878D-0E59-AA01-54AF-FDA1FE4EFA1D

treatment provided by

Felipe

scientific name

Apiaromitra tyaughtonensis (Cordey, 1998)
status

 

Apiaromitra tyaughtonensis (Cordey, 1998)

Fig. 13m View Fig

1982 Archaeodictyomitra apiara (Rüst) – Sato et al., p. 306, pl. 4, fig. 8.

1984 Archaeodictyomitra apiarium (Rüst 1885) – Schaaf, p. 92, figs. 5a, 5b, non 1, 3a, 3b,, 2, 4a, 4b = Archaeodictyomitra excellens (Tan) .

1994 Archaeodictyomitra spp. – Goričan, pl. 20, figs. 11, 16.

1998 Archaeodictyomitra tyaughtonensis Cordey , p. 98, pl. 28, figs. 5, 6.

2017 Archaeodictyomitra tyaughtonensis Cordey – O’Dogherty et al., p. 55, figs. 7.38, 7.39.

2017 Archaeodictyomitra minoensis Mizutani – O’Dogherty et al., p. 54, fig. 7.41, non 7.40, 7.42.

Description. This species, represented by very few specimens in the Sardinia samples, differs from A. apiarium s. str. in being higher and having a conical skeleton, instead of a cylindrical or subcylindrical one, with a longer conical apical part. The shape of the specimen resembles very much the two specimens illustrated by O’Dogherty et al. (2017) from the Upper Jurassic of the Eastern Alps and the specimens from other Jurassic sections assigned to A. apiarium , or to other taxa.

Material. Rare in samples OZ806, OZ833 and OZ837 (PD120-OZ837-R06-23).

Dimensions. Height 220 P m, maximum diameter 110 P m. Range. This species seems to occur in the Upper Jurassic to Lower Cretaceous, its last occurrence being recorded in the upper Valanginian.

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