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File:The modification of the ventral rim in galeaspids.tif

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The modification of the ventral rim in galeaspids.

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Description
English: The modification of the ventral rim in galeaspids (illustrated by Dinghua Yang). A. a very broad ventral rim in Platylomaspis; B. a normal ventral rim in Polybranchiaspis; C. ventral rim absent in Rhegmaspis. A1–C1, in dorsal view; A2–C2, a cross section through the head-shield at the level indicated by the line in A1–C1. Abbreviations: md.o, median dorsal opening; ob.c, oralobranchial chamber; orb, orbital opening; ro, rostral process; vr, ventral rim.
Date
Source Gai, Z., Lu, L., Zhao, W., & Zhu, M. (2018). New polybranchiaspiform fishes (Agnatha: Galeaspida) from the Middle Palaeozoic of China and their ecomorphological implications. PLoS One, 13(9), e0202217. https://doi.org/10.1371/journal.pone.0202217
Author Illustrated by Dinghua Yang; published by Zhikun Gai, Liwu Lu, Wenjin Zhao, Min Zhu

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current23:31, 4 January 2024Thumbnail for version as of 23:31, 4 January 20242,108 × 1,447 (737 KB)Sclerotized (talk | contribs)Uploaded a work by Illustrated by Dinghua Yang; published by Zhikun Gai, Liwu Lu, Wenjin Zhao, Min Zhu from Gai, Z., Lu, L., Zhao, W., & Zhu, M. (2018). New polybranchiaspiform fishes (Agnatha: Galeaspida) from the Middle Palaeozoic of China and their ecomorphological implications. PLoS One, 13(9), e0202217. https://doi.org/10.1371/journal.pone.0202217 with UploadWizard

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