Farcus sp. A

(Fig. 12T, U)

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

DESCRIPTION

Test dicyrtid with short feet. Cephalis hemisphaerical with very rare, scatted pores and a tricarinate distally contracting horn. Horn with prominent ridges, deep furrows and a sharp end. Collar stricture not marked externally. Thorax large, distally expanding and with a smooth surface with scattered, subcircular pores of different sizes. Base of the thorax with four short and tricarinate feet.

REMARKS

This taxon differs from Farcus graylockensis (Pessagno et al. 1986: 24, pl. 2, figs 4, 6-8, 12, 15) by possessing a smaller test, indistinct collar stricture, thorax with smooth surface, scattered pores and very short feet.