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Necdetina, a new fusulinoidean foraminifera with a recrystallized or replaced wall from the middle permian of the central tauride belt, Turkey

2007-10-01
ALTINER, Demir
GROVES, John
Altıner, Sevinç
Yılmaz, İsmail Ömer
ATAKUL, Ayşe
Necdetina (type species N. taurica n. sp.) is described here as a new fusulinoidean genus with a replaced or recrystallized wall from the Middle Permian (Capitanian) of Turkey. In addition to its distinctive wall structure, which was probably originally keriothecal and composed of aragonite or high-Mg calcite, the genus is characterized by an ovate shell with rounded to acute poles and axially elongated, biserially enrolled chambers. Chomata are absent, but inconsistently developed parachomata-like structures are present in the test where biserially enrolled chambers overlap. Circular foramina alternate in two rows at the bases of the apertural face and septa.