. Early Llandovery crinoids and stelleroids from the Cataract Group (Lower Silurian) in southern Ontario, Canada . Text-fig. IIA-D Diaphorocrinus pleniramulus gen. et sp. nov. Radials black. Scales 5 mm. B A D-ray view of holotype. Each bifurcation of an axil arm gives off two branches that each divide again. This repeated branching of axil arms differentiates Diaphorocrinus from most calceocrinids. ROM 39010a, PI. 4, fig. I. B D-ray view. Arms of this individual are tightly closed in a defensive posture, concealing muchof their structure. Paratype ROM 39010b, PI. 4, fig. 2. C Posterior view o
. Early Llandovery crinoids and stelleroids from the Cataract Group (Lower Silurian) in southern Ontario, Canada . Text-fig. IIA-D Diaphorocrinus pleniramulus gen. et sp. nov. Radials black. Scales 5 mm. B A D-ray view of holotype. Each bifurcation of an axil arm gives off two branches that each divide again. This repeated branching of axil arms differentiates Diaphorocrinus from most calceocrinids. ROM 39010a, PI. 4, fig. I. B D-ray view. Arms of this individual are tightly closed in a defensive posture, concealing muchof their structure. Paratype ROM 39010b, PI. 4, fig. 2. C Posterior view of holotype ROM 39010a. D E-ray view of paratype ROM 39010c, PI. 4, fig. 4. 25
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Keywords: ., bookcentury1900, bookd, bookleafnumber31, booksubjectpaleontology
