Fig. 66 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)

Fig. 66. Species of Trilacinoceras Sweet, 1958 from the Upper Grey Orthoceratite Limestone. A. Trilacinoceras discors (Holm, 1891), specimen MB.C.30552 (Neben & Krueger Coll.) from Niederfinow (Brandenburg); previously figured by Neben & Krueger (1971: pl. 21 fig. 1). B. Trilacinoceras discors (Holm, 1891), specimen MB.C.30553 from Schwedt (Brandenburg). C. Trilacinoceras knoefleri sp. nov., holotype MB.C.11658 (Knöfler Coll.) from Teschendorf near Löwenberg (Brandenburg). D. Trilacinoceras knoefleri sp. nov., paratype MB.C.30559 (Krueger Coll.) from Mukran (Sassnitz, Island of Rügen) (Mecklenburg-Vorpommern). Scale bar units = 1 mm.