Fig. 4From: Diversity and distribution of Miocene–Pliocene sepiids (Cephalopoda) in the Mediterranean area, with new records from Italy and TurkeyThe earliest/embryonic chambers with protoconch (p), outer and inner cones and remains of the fork (f) of RGM.1351052. No pillar structures are seen in the first chambers. Scale bar equals 10 mmBack to article page