Tozerium orbuklukeliense Tekin, 2020

Tekin, Kagan, Krystyn, Leopold, Okuyucu, Cengiz, Bedi, Yavuz & Sayit, Kaan, 2020, Late Triassic to Early Jurassic radiolarian, conodont and ammonite assemblages from the Tavuscayiri block, Mersin Mélange, southern Turkey: Time constraints for the T / J boundary and sedimentary evolution of the southern margin of the northern Neotethys, Geodiversitas 42 (27), pp. 493-537 : 516

publication ID

https://doi.org/ 10.5252/geodiversitas2020v42a27

publication LSID

urn:lsid:zoobank.org:pub:1A437774-B5BE-49F2-8DEF-D46F2790484A

DOI

https://doi.org/10.5281/zenodo.4497983

persistent identifier

https://treatment.plazi.org/id/D0FD13C2-4B21-4640-9815-2297D5FFBEB3

taxon LSID

lsid:zoobank.org:act:D0FD13C2-4B21-4640-9815-2297D5FFBEB3

treatment provided by

Felipe

scientific name

Tozerium orbuklukeliense Tekin
status

sp. nov.

Tozerium orbuklukeliense Tekin , n. sp. ( Fig. 9 View FIG P-R)

urn:lsid:zoobank.org:act:D0FD13C2-4B21-4640-9815-2297D5FFBEB3

HOLOTYPE. — Sample Orbuk-32, HU.JMB.0142 ( Fig. 9P View FIG ).

TYPE LOCALITY. — Orbuklukeli section, Mersin Mélange, NW of Mersin city, southern Turkey.

ETYMOLOGY. — Named after its type locality.

OCCURRENCE. — Lower Jurassic, lower Sinemurian of the Orbuklukeli section, Mersin Mélange, NW of Mersin city, southern Turkey.

PARATYPES. — HU.JMB.0143 ( Fig. 9Q View FIG ), HU.JMB.0144 ( Fig. 9R View FIG ).

DIMENSIONS (based on three specimens, in µm). — Maximum diameter of cortical shell: 110-128 (holotype: 110, average: 116); Maximum length of spine: 85-114 (holotype: 100, average: 99.6).

DESCRIPTION

Cortical shell small to medium-sized with four strong spines. Cortical shell sphaerical to subsphaerical composed of small to medium-sized polygonal (mainly trigonal to tetragonal) pore frames and large, subcircular pores at pore frame vertices. Spines prominent, robust, needle-like, subcircular in transversal section, decreasing in width gradually to its end. Length of spines approximately equal to diameter of cortical shell.

REMARKS

This species differs from Tozerium nascens ( Carter et al. 1998: 44, pl. 1, figs 1, 7, 8, 13, 14, 18, 23, 24) by having a sphaerical, smaller cortical shell with smaller pore frames, large nodes at pore frame vertices and prominent, robust and longer primary spines.

Kingdom

Chromista

Phylum

Radiozoa

Class

Polycystina

Order

Entactinaria

Family

Eptingiidae

Genus

Tozerium

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