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Fig. 5 in The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden

Fig. 5. Polished median section of Cameroceras turrisoides sp. nov., PMU 26624, Unskarsheden, Boda Limestone. A. Total fragment; note that the light, layered, micritic filling of the siphuncle is not an endosiphuncular deposit. B. Enlarged detail of the connecting ring and the holochoanitic septal neck. Scale bars: A = 10 mm; B = 5 mm.

Fig. 19 in The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden

Fig. 19. Orthocerida of the Boda Limestone. A. Nathorstoceras adnatum sp. nov., PMU d1440, holotype, Kallholn, lateral view. B-C. Nathorstoceras kallholnense sp. nov., PMU 26730, Kallholn, complete body chamber. B. Lateral view. C. view from prosiphuncular side. D. Geisonoceras wegelini (Angelin in Angelin & Lindström, 1880) comb. nov., PMU 26747, Unskarsheden, lateral view. E. Ordogeisonoceras foerstei (Strand, 1934) comb. nov., PMU 26762, Kallholn, lateral view. F. Nathorstoceras kallholnense sp. nov., PMU 26729, holotype, lateral view, note siphuncle on left side. Scale bar = 10 mm for all figures.

Fig. 4 in The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden

Fig. 4. Orthoconic cephalopods of the Boda Limestone. A. Cameroceras turrisoides sp. nov., PMU 26613, holotype, Unskarsheden, lateral view. B. Isorthoceras dalecarlense Kröger et al., 2011, PMU 26794, Kallholn. C. Isorthoceras wahlenbergi Niko, 2008, PMU 26893 and 26894, Kallholn. D. Order, gen. et sp. indet., PMU 26950, Kallholn, lateral view. Scale bar = 10 mm for all figures.

Fig. 13 in The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden

Fig. 13. Polished median sections of Orthocerida of the Boda Limestone. A. Dawsonoceras fenestratum (Eichwald, 1860), PMU 26706, Kallholn. B-C. Striatocycloceras isbergi sp. nov. B. PMU 26681, Kallholn. C. PMU 26661, Osmundsberget. D. Isorthoceras angelini sp. nov., PMU 26784, Kallholn. E. Nathorstoceras kallholnense sp. nov., PMU 26729, holotype, Kallholn. F. Nathorstoceras adnatum sp. nov., PMU 26733, holotype, Kallholn. G. Pleurorthoceras osmundsbergense sp. nov., NRM-PZ Mo, 190102c, Osmundsberget. H. Ordogeisonoceras foerstei (Strand, 1934) comb. nov., PMU 26763, Kallholn. I. Geisonoceras wegelini (Angelin in Angelin & Lindström, 1880) comb. nov., PMU 26740, Kallholn. Scale bars: A-D, I = 1 mm; E-H = 5 mm.

Fig. 1 in The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden

Fig. 1. Map of the Siljan ring structure with Lower Palaeozoic sediments preserved (dark grey), and the three most important localities are marked (modified from Ebbestad & Högström 2007). Stratigraphical scheme of the Boda Limestone and adjacent lithostratigraphic units (compiled from Suzuki et al. 2009; Rasmussen et al. 2010). Abbreviations: Fm = Formation; Mbr = Member; S.S. = stage slices (after Bergström et al. 2009).

Fig. 11 in The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden

Fig. 11. Morphological variation of Beloitoceras sinuososeptatum (Roemer, 1861). Circles: specimens of the Boda Limestone. Black dot: type specimen of Beloitoceras siljanense Frye, 1987. Black diamonds: types of Beloitoceras heterocurvatum Strand, 1934. Grey dot: type specimen of Beloitoceras landerense Foerste, 1935. A distinction between B. siljanense and B. sinuososeptatum is impossible based on the available material.

Fig. 12 in The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden

Fig. 12. Annelate Orthocerida of the Boda Limestone. A. Palaeodawsonocerina senckenbergi (Teichert, 1930), PMU 26718, Kallholn. B-C. Striatocycloceras isbergi sp. nov., Osmundsberget. B. PMU 26660, holotype, Osmundberget. C. PMU 26664. D-E. Palaeodawsonocerina? nicolletoides sp. nov., PMU 26728, Kallholn. D. Adapical view. E. Lateral view. Scale A-C = 10 mm; D-E = 10 mm.

Fig. 14 in The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden

Fig. 14. Reconstructions of the details of the septal necks and siphuncular segments of Orthocerida of the Boda Limestone. Note the different septal thicknesses. A. Striatocycloceras isbergi sp. nov., PMU 26681, Kallholn. B. Dawsonoceras fenestratum (Eichwald, 1860), PMU 26706, Kallholn. C. Pleurorthoceras osmundsbergense sp. nov., NRM-PZ Mo 150102c, Osmundsberget. D. Isorthoceras angelini sp. nov., PMU 26784, Kallholn.

Fig. 8 in The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden

Fig. 8. Orthoconic brevicones of the Boda Limestone of Kallholn. A. Tyrioceras cf. kjaerulfi Strand, 1934, PMU 26897, view from antisiphuncular side. B-C. Kiaeroceras heroyense Strand, 1934, PMU 26628. B. Lateral view, with siphuncle on left side. C. View from antisiphuncular side. Scale bar = 10 mm for all figures.

Fig. 15 in The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden

Fig. 15. Fragments of the outer shell and negative shell impression of Striatocycloceras? sp., PMU 26699, Kallholn, Boda Limestone. Scale bar = 10 mm.

Fig. 6 in The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden

Fig. 6. Apex of Cameroceras turrisoides sp. nov., NRM-PZ Mo 9264, Kallholn, Boda Limestone. A. View from prosiphuncular side. B. Lateral view. C. Complete specimen, prosiphuncular view; note shell repair on adoral part. D. Lateral view. Scale bars: A-B = 10 mm; C-D = 10 mm.

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FIGURE 3. A in Diverse endobiotic symbiont fauna from the late Katian (Late Ordovician) of Estonia

FIGURE 3. A, Cornulites sp. (Corn) and Chaetosalpinx isp. (Chaet) in Protoheliolites norvegicus from the Adila Formation, Hosholm, Vormsi Island (GIT 840-35). Note the downward-bending lamellae of Protoheliolites norvegicus in the upper half of the bioclaustration. B, Cornulites sp. in stromatoporoid from the Kõrgessaare Formation, Saxby North, Vormsi Island (GIT 529-95-2). C, Lingulate in Propora sp. from the Kõrgessaare Formation, Saxby North, Vormsi Island (GIT 520-155-2). D, Lingulate Rowellella sp. in Diplotrypa densitabulata from the Kõrgessaare Formation, Saxby North, Vormsi Island (GIT 843-15-1).

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FIGURE 2 in Diverse endobiotic symbiont fauna from the late Katian (Late Ordovician) of Estonia

FIGURE 2. Stratigraphy of the upper Katian of NW Estonia. Occurrence of endobionts indicated with asterisk.

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FIGURE 4 in Diverse endobiotic symbiont fauna from the late Katian (Late Ordovician) of Estonia

FIGURE 4. Chaetosalpinx-like bioclaustration in Diplotrypa densitabulata from the Kõrgessaare Formation, Saxby North, Vormsi Island (GIT 843-31). Arrows point to the bioclaustration.

Fig. 7 in A new Late Ordovician bubble-headed trilobite species from South West Wales and its implications for biostratigraphy

Fig. 7. Chart showing the frequency distribution of numbers of denticles on lateral margins of complete librigenae of Staurocephalus oliveae sp. nov. from the upper Katian (Upper Ordovician) Sholeshook Limestone Formation at Talfan Farm, Llanddowror, Carmarthenshire, Wales, UK. n = 36.

Fig. 3 in A new Late Ordovician bubble-headed trilobite species from South West Wales and its implications for biostratigraphy

Fig. 3. Encrinurid trilobite Staurocephalus oliveae sp. nov. from the upper Katian (Upper Ordovician) Sholeshook Limestone Formation at Talfan Farm, Llanddowror, Carmarthenshire, Wales, UK. A. Holotype, NMW 2013.11G.1, cephalon in dorsal (A1), oblique anterolateral (A2), and frontal (A3) views. B. Paratype, NMW 2013.11G.2, cephalon in dorsal (B1), oblique anterolateral (B2), and dorsolateral (B3) views. C. Paratype, NMW 2013.11G.6, cranidium in dorsal view. D. Paratype, NMW 2013.11G.7, partial cranidium, dorsal view of internal mould (D1), ventral view of external mould (D2), and latex cast of external mould (D3). E. Paratype, NMW 2013.11G.8, cephalon, external mould in ventral view (E1) and latex cast of external mould (E2). F. Paratype, NMW 2013.11G.9, genal angle of cranidium, showing marginal denticles decreasing in size posteriorly. Scale bars 2 mm, except F 1 mm.

Fig. 6 in A new Late Ordovician bubble-headed trilobite species from South West Wales and its implications for biostratigraphy

Fig. 6. Historic specimens of the encrinurid trilobite Staurocephalus from museum collections. A. SM A31592, cranidium in dorsal view labelled Staurocephalus cf. murchisoni Barrande" from the Sholeshook Limestone Formation (upper Katian, Upper Ordovician) in the Sholeshook railway cutting, Haverfordwest area, herein assigned to S. oliveae sp. nov.? B. BIRUG 48862, cranidium in dorsal view labelled "Staurocephalus cf. murchisoni" from the lower Tre-wylan Beds (Cautleyan) (upper Katian, Upper Ordovician) in the Llansantffraid-ym-Mechain district of the south-eastern Berwyn Hills, Mid Wales (Whittington 1938: 451, locality 42), herein assigned to S. oliveae sp. nov.? C, D. Specimens from the King collection, Sedgwick Museum, from the (locally) basal Ashgill mudstones (lower Rawtheyan, Ashgill Zone 5) (upper Katian, Upper Ordovician) of Aber Marchnant, Berwyn Hills, Mid Wales, originally identified as Staurocephalus cf. murchisoni by King (1923) and assigned to S. clavifrons by Whittington (1968), herein assigned to S. aff. oliveae. C. SM A39813, incomplete cranidium in dorsal view. D. SM A39814.A, incomplete cranidium in dorsal view (D1) and close up of left genal area (D2) to show large lateral denticles (arrowed). E. SM A31589, dorsal view of incomplete cranidium labelled "Staurocephalus globiceps" from the Marr collection, Sedgwick Museum, from the Slade and Redhill Mudstone Formation at Pelcomb Cross, Haverfordwest, herein assigned to S. cf. clavifrons. Note the prominent genal spine on the right side. Scale bars 1 mm, except D2 0.5 mm.

Fig. 2 in A new Late Ordovician bubble-headed trilobite species from South West Wales and its implications for biostratigraphy

Fig. 2. Stratigraphical column showing the age of the Sholeshook Limestone Formation (in blue) and the underlying and overlying formations together with the shelly and chitinozoan biozonations of the Anglo-Welsh succession. Asterisk shows approximate age of the Talfan Farm locality, in the lower part of the formation (equivalent to Cautleyan Zone 1).

Fig. 5 in A new Late Ordovician bubble-headed trilobite species from South West Wales and its implications for biostratigraphy

Fig. 5. Reconstruction drawings of the encrinurid trilobite Staurocephalus oliveae sp. nov. A. Cephalon, in anterior (A1), left lateral (A2), ventral (A3), and dorsal (A4) views. B. Pygidium, in ventral (B1) and dorsal (B2) views. Cephalon has a mean maximum width (tr.) of 10.15 mm; pygidium has a mean maximum width (tr.) of 3.96 mm.

Fig. 4 in A new Late Ordovician bubble-headed trilobite species from South West Wales and its implications for biostratigraphy

Fig. 4. Encrinurid trilobite Staurocephalus oliveae sp. nov. from the upper Katian (Upper Ordovician) Sholeshook Limestone Formation at Talfan Farm, Llanddowror, Carmarthenshire, Wales, UK. A. Paratype, NMW 2013.11G.5, rostral plate in ventral view. B. Paratype, NMW 2013.11G.3, right librigena in lateral view. C. Paratype, NMW 2013.11G.10, left librigena in lateral view. D. Paratype, NMW 2013.11G.12, right librigena in lateral view. E. Paratype, NMW 2013.11G.13, thoracic segment in dorsal view. F. Paratype, NMW 2013.11G.4, pygidium in dorsal view. G. Paratype, NMW 2013.11G.11, pygidium in dorsal view. H. Paratype, NMW 2013.11G.15, pygidium in ventral view of external mould (H1) and latex cast of external mould (H2). Scale bars 2 mm.