Published March 21, 2019 | Version v1
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FIGURE 6 in Evolutionary significance of the retiolitine Gothograptus (Graptolithina) with four new species from the Silurian of the East European Platform (Baltica), Poland and Lithuania

Description

FIGURE 6. Internal view of the structural features of the thecal framework of Gothograptus. A. Pleural list and socket, ZPAL G.55/40; B. View looking distally of lateral apertural rod curving distally into ventral lip, ZPAL G.55/41; C, E, nema with connecting rod, ZPAL G.55/41, ZPAL G.55/37; D, G. pleural list at side of thecal orifice, ZPAL G.55/42, ZPAL G.55/41. F. midventral list with traces of zigzag fusellar suture, their courses shown by the white bars. ZPAL G.55/43. A–E, G. Mulde Marl, Blåhäll, Gotland, Sweden Locality 813-832, Blåhäll 1 (Spjeldnaes 1984). F. Mulde Marl, Dapps 2, Gotland, Sweden (Calner & Jeppsson 2003). H. internal diagrammatic representation of the lists. The seams are coloured brown.

Notes

Published as part of Kozłowska, Anna, Bates, Denis, Zalasiewicz, Jan & Radzevičius, Sigitas, 2019, Evolutionary significance of the retiolitine Gothograptus (Graptolithina) with four new species from the Silurian of the East European Platform (Baltica), Poland and Lithuania, pp. 435-469 in Zootaxa 4568 (3) on page 443, DOI: 10.11646/zootaxa.4568.3.2, http://zenodo.org/record/2601607

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Journal article: 10.11646/zootaxa.4568.3.2 (DOI)
Journal article: urn:lsid:plazi.org:pub:FF9FFF84FFEA984D8F35D37CFD67FFA1 (LSID)
Journal article: http://publication.plazi.org/id/FF9FFF84FFEA984D8F35D37CFD67FFA1 (URL)
Journal article: https://zenodo.org/record/2601607 (URL)