Fig. 5 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)

Fig. 5. Echinoderm holdfasts on shells of lituitid specimens. A. Rhynchorthoceras angelini (Boll, 1857), specimen MB.C.11727 (Schmidt Coll.) from near Berlin-Schmargendorf. B. Rhynchorthoceras conicum (Hisinger, 1837), specimen MB.C.30508 from Dewitz Castle, Dobra (former Dewitzburg bei Daber; West Pomerania, Poland). C. Rhynchorthoceras rugium sp. nov., holotype MB.C.11728 (Hoffmann & Gager 1972 Coll.) from Mönchgut (Island of Rügen). D. Trilacinoceras knoefleri sp. nov., paratype MB.C.30559 (Krueger Coll.) from Mukran (Sassnitz, Island of Rügen) (Mecklenburg-Vorpommern). Scale bar units = 1 mm.