Published December 31, 2017 | Version v1
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FIGURE 2 in Morphology and histology of acanthodian fin spines from the late Silurian Ramsåsa E locality, Skåne, Sweden

Description

FIGURE 2. Photographs and illustrations of the seven fin spine morphotypes (A-G) from the Ramsåsa locality in Skåne, southern Sweden. (1), morphotype A (NRM-PZ P. 16173); (2), morphotype B (NRM-PZ P. 16174); (3), morphotype C (NRM-PZ P. 16175); (4), morphotype D (NRM-PZ P. 16176); (5), morphotype E (NRM-PZ P. 16177); (6), morphotype F (NRM-PZ P. 16178); and (7), morphotype G (NRM-PZ P. 16179). Each spine is shown in dorsal (top), ventral (middle), and left-lateral (bottom) views. A dotted line indicates the spine midlines. Abbreviations: ax, apex; b, base; cc, central cavity; den, denticle; i, insertion; k, keel/anterior rib; n, node; r, rib; s, sulcus. Color coding indicates the keel: red; insertion: yellow; posteriorly facing nodes/denticles: green; longitudinal sulcus along the posterior surface: orange; wide posterior surface: blue.

Notes

Published as part of Jerve, Anna, Bremer, Oskar, Sanchez, Sophie & Ahlberg, Per E., 2017, Morphology and histology of acanthodian fin spines from the late Silurian Ramsåsa E locality, Skåne, Sweden, pp. 1-19 in Palaeontologia Electronica (Oxford, Oxfordshire) 196 (9) on page 4, DOI: 10.26879/749, http://zenodo.org/record/13307036

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Journal article: 10.26879/749 (DOI)
Journal article: urn:lsid:plazi.org:pub:FFCFBF36FFAEFFE0FFB3FD04FFF53203 (LSID)
Journal article: https://zenodo.org/record/13307036 (URL)