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Fig. 5 | BMC Evolutionary Biology

Fig. 5

From: Earliest ontogeny of early Cambrian acrotretoid brachiopods — first evidence for metamorphosis and its implications

Fig. 5

Bivariate plots of ventral and dorsal valves of Eohadrotreta zhenbaensis from South China. a plots of protegulum length – metamorphic shell length ratio of ventral and dorsal valves. b plots of the length ratio of bs/ms (brephic shell / metamorphic shell) – metamorphic shell length ratio of ventral and dorsal valves. c plots of protegulum width –metamorphic shell width ratio of ventral and dorsal valves. d plots of length– width ratio of protegula of ventral and dorsal valves, and plots of length– width ratio of ventral pedicle foramen. Abbreviations: ms, metamorphic shell; pr, protegulum

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BMC Ecology and Evolution

ISSN: 2730-7182

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