
Figure 1. Lampreys and the cephalochordate, amphioxus. A1–A4, the four genera of Paleozoic fossil lampreys considered by Miyashita et al. (2021); A5, Carboniferous fossil lamprey illustrated in Janvier (1996). B, modern adult lamprey (parasitic). C, ammocoete larval lamprey showing just a few of its many myomeres. D, amphioxus adult. E, amphioxus larva. (A1) was redrawn and modified from Gess et al. (2006), (A2) from news.uchicago.edu, (A3) from Bardack & Richardson (1977), (A4) from Bardack & Zangerl (1971), (A5) from Janvier (1996) and (C–E) from Feinberg & Mallatt (2016).
Published as part of Mallatt, Jon, 2023, REVIEW Vertebrate origins are informed by larval lampreys (ammocoetes): a response to Miyashita et al., 2021, pp. 287-321 in Zoological Journal of the Linnean Society 197 (2) on page 288, DOI: 10.1093/zoolinnean/zlac086, http://zenodo.org/record/7609449
Biodiversity, Taxonomy
Biodiversity, Taxonomy
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