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Ophiuridae of the West Indies by Leah May Gaymon, 1893

Ophiuridae of the West Indies by Leah May Gaymon, 1893, Page 8

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5 The Radial Shields are four pairs of plates on the dorsal side of disk or pair over the back of each arm. Radial and inter-radial plates are those plates found on the brachial and interbrachial spaces respectively. Ventral side: the mouth is seen [as the?] star shaped with very narrow rays. The Mouth Angle is the triangular space between two adjacent rays. The teeth are --------- ---- vertical row on the apex of the mouth angle. Tooth papillae: in some genera the lower teeth are divided up into many small teeth, those are known as tooth papillae. Mouth papillae: These are lobes bordering the mouth angles. Mouth shields: a large plate on each mouth angle, between the ----
 
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