Rectonariidae gen. 1

Forel, Marie-Béatrice & Grădinaru, Eugen, 2020, Rhaetian (Late Triassic) ostracods (Crustacea, Ostracoda) from the offshore prolongation of the North Dobrogean Orogen into the Romanian Black Sea shelf, European Journal of Taxonomy 727, pp. 1-83 : 45

publication ID

https://doi.org/ 10.5852/ejt.2020.727.1183

publication LSID

lsid:zoobank.org:pub:85AF63D9-5E9E-4CE0-AEC6-6F7CC8C4D375

DOI

https://doi.org/10.5281/zenodo.4340775

persistent identifier

https://treatment.plazi.org/id/9F3D1275-FFC0-641F-DC4B-FCB4099949C9

treatment provided by

Plazi

scientific name

Rectonariidae gen. 1
status

 

Rectonariidae gen. 1 in Forel et al. 2019

Fig. 10E View Fig

Rectonariidae gen. 1 – Forel et al. 2019a: 22, fig. 14c.

Material examined

ROMANIA • 1 RV; Black Sea , Romanian Continental Shelf , borehole 817LV, sample CM31C; Rhaetian, Upper Triassic; MNHN.F. F63265 View Materials .

Dimensions

L = 448 µm; H = 302 µm (RV in this paper).

L = 423 µm; H = 262 µm (LV in Forel et al. 2019a).

Occurrence

Kilek section, Tavusçayiri Block, Sorgun Ophiolitic Mélange, southern Turkey, Huğlu Tuffite, Tetraporobrachia haeckeli radiolarian Zone, Julian, Middle Carnian, Upper Triassic ( Forel et al. 2019a); Romanian Continental Shelf, Black Sea, Rhaetian, Upper Triassic (this paper).

Remarks

Forel et al. (2019a) noted the morphological proximity of this taxon to Siciliella Crasquin et al., 2008 from the Lower–Middle Permian of Sicily ( Crasquin et al. 2008), characterized by its subquadrangular outline, the occurrence of a single spine on each valve and LV overlapping RV all around. The unique LV discovered from the Carnian, Late Triassic, of Turkey was kept in open nomenclature because of the impossibility of confirming the nature of the overlap and the occurrence of a spine on each valve ( Forel et al. 2019a). The present RV confirms the presence of a spine on the RV, also positioned in the posteroventral area of the valve, oriented backwards and downwards. However, until a complete carapace allows a description of the relationship between the two valves, it seems unreasonable to artificially extend the stratigraphical range of Siciliella from the Middle–Late Permian up to the Rhaetian, Late Triassic. Nevertheless, although kept in open nomenclature, Rectonariidae gen. 1 in Forel et al. 2019 confirms the occurrence of Rectonariidae during the Late Triassic that was first recorded in the Carnian of Turkey ( Forel et al. 2019a). It further extends the range of Rectonariidae to the Rhaetian.

Kingdom

Animalia

Phylum

Arthropoda

Class

Ostracoda

Order

Podocopida

Family

Rectonariidae gen. 1

Loc

Rectonariidae gen. 1

Forel, Marie-Béatrice & Grădinaru, Eugen 2020
2020
Loc

Rectonariidae

Forel M. - B. & Tekin U. K. & Okuyucu C. & Bedi Y. & Tuncer A. & Crasquin S. 2019: 22
2019
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