Acanthotetrapaurinella kennecottensis (Carter in Longridge, Carter, Smith & Tipper, 2007) Group (Fig. 8 A-H)

Tipperella kennecottensis Carter in Longridge, Carter, Smith & Tipper, 2007: 163-164, pl. 2, figs 7, 11.

Spongotrochus sp. – Carter 1994: pl. 1, fig. 7. — Carter & Hori 2005: pl. 1A, fig. 4; pl. 1B, fig. 4.

Tozerium nascens – Tekin 2002a: 189, pl. 4, fig. 1.

Acanthotetrapaurinella kennecottensis – Dumitrica et al. 2013: 318.

OCCURRENCE. — Upper Triassic, Rhaetian-Lower Jurassic, lower Sinemurian of Queen Charlotte Islands, British Columbia, Canada ; Inuyama Area, Japan ; Antalya Nappes, NE of Antalya city and Mersin Mélange, NW of Mersin city, southern Turkey .

REMARKS

Acanthotetrapaurinella kennecottensis Group includes three different morphotypes: a. Subtetrahedral test with polygonal pore frames and long primary spines (e.g. Tipperella kennecottensis [Longridge et al. 2007: only pl. 7, fig. 7; Carter & Hori 2005: pl.1A, fig.4; pl.1B,fig.4]); b. Subtetrahedral test with polygonal pore frames and short primary spines(e.g. Tipperella kennecottensis [this study: Fig. 8 A-F); and c. Subsphaerical to subtetrahedral test with spongy meshwork (e.g. Spongotrochus sp. [Carter 1994: pl. 1, fig.7]; Tipperella kennecottensis [Longridge et al. 2007: pl.7 fig.11]; Tozerium nascens Whalen & Carter, 1998 [Tekin 2002a: 189, pl.4, fig.1]; Tipperella kennecottensis [this study: Fig.8 G-H]).