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533 results for “Cephalopoda”
Fig. 22. Ancistroceras barrandei Dewitz, 1880 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)
Fig. 22. Ancistroceras barrandei Dewitz, 1880, chamber length/whorl height of specimen MB.C.30516 (Neben & Krueger Coll.) from Rerik (Ostsee). Left = empirical data, right = three data point averaged.
Fig. 23 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)
Fig. 23. Comparison of the coiled parts of species of Ancistroceras Boll, 1857 from the Upper Grey Orthoceratite Limestone. A. Ancistroceras barrandei Dewitz, 1880, specimen MB.C.30518 (Neben & Krueger Coll.) from Rerik (Ostsee). B. Ancistroceras barrandei Dewitz, 1880, specimen MB.C.30516 (Neben & Krueger Coll.) from Rerik (Ostsee). C. Ancistroceras barrandei Dewitz, 1880, specimen MB.C.11991 (Helms 1966 Coll.) from Gross Zicker (Island of Rügen). D. Ancistroceras torelli (Remelé, 1881), lectotype MB.C.22575 from Heegermühle (Brandenburg). E. Ancistroceras torelli (Remelé, 1881), specimen MB.C.30519 (Neben & Krueger Coll.) from Schmetzdorf (Brandenburg). Scale bar units = 1 mm.
Fig. 44. Lituites toernquisti Holm, 1891 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)
Fig. 44. Lituites toernquisti Holm, 1891 from the Upper Grey Orthoceratite Limestone; lirae in specimen MB.C.30534 (Neben & Krueger Coll.) from Niederfinow (Brandenburg), at wh = 11 mm. Scale bar units = 1 mm.
Fig. 24 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)
Fig. 24. Ancistroceras torelli(Remelé, 1881) from the Upper Grey Orthoceratite Limestone. Reproduction of the illustration of lectotype MB.C.22575 from Heegermühle (Brandenburg) from Remelé (1890: pl. 4 fig. 1). Scale bar units = 1 mm.
Fig. 19 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)
Fig. 19. Conch expansion rates (A) and siphuncle diameter rates (B) in species of Ancistroceras Boll, 1857.
Fig. 18 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)
Fig. 18. Ancistroceras undulatum (Boll, 1857), lirae course in selected specimens. A. Specimen MB.C.30522 (Neben & Krueger Coll.) from Juszkowo (former Gischkau), Gdańsk County (Pomerania, Poland), at wh = 10 mm. B. The same specimen, at wh = 27 mm. C. Specimen MB.C.30521 (Neben & Krueger Coll.) from Oderberg (Brandenburg), at wh = 18 mm. Scale bar units = 1 mm.
Fig. 26 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)
Fig. 26. Angelinoceras latum (Angelin, 1880); reproduction of illustrations by Angelin (1880: pl. 3 fig. 5). Scale bar units = 1 mm.
Fig. 42. Lituites perfectus Wahlenberg, 1818 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)
Fig. 42. Lituites perfectus Wahlenberg, 1818 from the Upper Grey Orthoceratite Limestone; lirae in the neotype MB.C.30544 (Neben Coll.) from Niederfinow (Brandenburg), at wh = 11 mm. Scale bar units = 1 mm.
Fig. 17 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)
Fig. 17. Ancistroceras undulatum (Boll, 1857) from the Upper Grey Orthoceratite Limestone; specimen MB.C.11697a (Hoyers 1912 Coll.) from Skowarcz (former Schönwarling); previously figured by Foerste (1930: pl. 41 fig. 1); dorsal, lateral and ventral views. Note imprints of the vascular system near the apex visible in the photograph on the left. Scale bar units = 1 mm.
Fig. 41 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)
Fig. 41. Septum distances in Lituites perfectus Wahlenberg, 1818 from the Upper Grey Orthoceratite Limestone. Upper row = empirical data points; lower row = three data points averaged. A–B. Specimen MB.C.30542 (Neben Coll.) from Niederfinow (Brandenburg). C–D. Specimen MB.C.30543 (Krueger Coll.) from Oderberg (Bralitz) (Brandenburg). E–F. Specimen MB.C.11646 (Kgl. Forstakademie Eberswalde Coll.) from Eberswalde (Brandenburg).
Fig. 16 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)
Fig. 16. Rhynchorthoceras kranepuhlense sp. nov. from the Upper Red Orthoceratite Limestone. A. Striae of holotype MB.C.11730 (Kummerow Coll.) from Kranepuhl (Brandenburg), at wh = 16 mm. B–C. Ontogenetic development of striae distance (in mm) and striae distance/whorl height of specimen MB.C.30492 (Neben & Krueger Coll.) from Oderberg (Brandenburg). D–E. Ontogenetic development of striae distance (in mm) and striae distance/whorl height of specimen MB.C.30491 (Neben & Krueger Coll.) from Niederfinow (Brandenburg). F–G. Ontogenetic development of striae distance (in mm) and striae distance/whorl height of holotype MB.C.11730 (Kummerow Coll.) from Kranepuhl (Brandenburg). Blue dots = individual measurements, black lines = three data point averaged values. Scale bar units = 1 mm.
Fig. 37. Lituites perfectus Wahlenberg, 1818 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)
Fig. 37. Lituites perfectus Wahlenberg, 1818; reproductions of illustrations of Remelé (1890). A. Specimen MB.C.11622 from Eberswalde (Brandenburg), illustrated by Remelé (1890: pl. 1 fig. 2). B. Specimen MB.C.11646 from Eberswalde (Brandenburg), illustrated by Remelé (1890: pl. 6 fig. 3).
Fig. 13 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)
Fig. 13. Conch expansion rates (A) and siphuncle diameter rates (B) in species of Rhynchorthoceras Remelé, 1882.
Fig. 14 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)
Fig. 14. Species of Rhynchorthoceras Remelé, 1882 from the Upper Red Orthoceratite Limestone. A. Rhynchorthoceras conicum (Hisinger, 1837), specimen MB.C.30503 (Neben & Krueger Coll.) from Niederfinow (Brandenburg); lateral view. B. Rhynchorthoceras conicum (Hisinger, 1837), specimen MB.C.11719.1 (Otto Coll.) from an unknown locality; dorsal? view. C. Rhynchorthoceras conicum (Hisinger, 1837), specimen MB.C.30508 from Dewitz Castle, Dobra (former Dewitzburg bei Daber; West Pomerania, Poland); lateral? view. D. Rhynchorthoceras beyrichii Remelé, 1882, specimen MB.C.11718 (Henke 1901 Coll.) from Osselsk (Poland); previously figured by Foerste (1930: pl. 42 fig. 2); lateral view and polished median section. Scale bar units = 1 mm.
Fig. 12 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)
Fig. 12. Rhynchorthoceras angelini (Boll, 1857) from the Upper Red Orthoceratite Limestone. A. Lirae of specimen MB.C.11725.1 (Remelé 1879 Coll.) from Heegermühle (Brandenburg), at wh = 14 mm. B–C. Ontogenetic development of lirae distance (in mm) and lirae distance/whorl height of specimen MB.C.11724 (Kgl. Forstakademie Eberswalde Coll.) from Heegermühle (Brandenburg). Blue dots = individual measurements, black lines = three data point averaged values. Scale bar units = 1 mm.
Fig. 11 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)
Fig. 11. Septum distances in Rhynchorthoceras angelini (Boll, 1857) from the Upper Red Orthoceratite Limestone. Upper row = empirical data points; lower row = three data points averaged. A–B. Specimen MB.C.11725.1 (Remelé 1879 Coll.) from Heegermühle (Brandenburg). C–D. Specimen MB.C.11716 (Hentig 1880 Coll.) from Joachimsthal (Brandenburg). E–F. Specimen MB.C.29653 (Bottke Coll.) from Gärdslösa (Island of Öland, Sweden).
Fig. 8 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)
Fig. 8. Ornament details of lituitid specimens. A. Coarse lirae, symmetric crests; Rhynchorthoceras angelini (Boll, 1857), specimen MB.C.30495.1. B. Coarse lirae, asymmetric crests; R. angelini (Boll, 1857), specimen MB.C.11716. C. Faint, widestanding striae; R. rugium sp. nov., holotype MB.C.11728. D. Lirae and almost smooth internal shell; Ancistroceras torelli (Remelé, 1881), specimen MB.C.30519. E. Lirae and undulated internal shell; A. undulatum (Boll, 1857), specimen MB.C.11697. F. Narrow annuli, raised lirae and growth lines; Cyclolituites applanatus (Remelé, 1880), specimen MB.C.30560. G. Wide-standing, prorsiradiate lirae and very fine growth lines; Lituites dewitzi sp. nov., holotype MB.C.30538. H. Sharp lirae, straight on the flanks; L. fallax Remelé, 1890, holotype MB.C.11672.2. I. Sharp, prorsiradiate lirae and flat annuli; L. kruegeri sp. nov., holotype MB.C.30539. J. Wide-standing, sharp lirae and very flat annuli, straight on the flanks; Trilacinoceras knoefleri sp. nov., paratype MB.C.30559. Scale bar units = 1 mm.
Fig. 10 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)
Fig. 10. Rhynchorthoceras angelini (Boll, 1857) from the Upper Red Orthoceratite Limestone. A. Specimen MB.C.29656 (Bottke Coll.) from Skärlöv (Island of Öland); ventral and lateral views. B. Specimen MB.C.11716 (Hentig 1880 Coll.) from Joachimsthal (Brandenburg); lateral view. C. Specimen MB.C.30495.1 from Heegermühle (Brandenburg); dorsal? view. D. Specimen MB.C.11727 (Schmidt Coll.) from near Berlin-Schmargendorf; lateral view. E. Specimen MB.C.11725.1 (Remelé 1879 Coll.) from Heegermühle (Brandenburg); lateral view. Scale bar units = 1 mm.
Fig. 1 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)
Fig. 1. Large slab of the Upper Grey Orthoceratite Limestone (late Darriwilian, Middle Ordovician) with scattered conchs of lituitid and orthoceratid cephalopods, sample MB.C.30490 from the Island of Öland (Sweden). Scale bar units = 10 mm.
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.
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