Both genera are characterized by their habit of secreting a tubular gelatinoid investment, the "coenoecium," composed of a number of superposed lamellae, doubtless the result of its intermittent secretion, mainly though perhaps not exclusively, by the proboscides of the zooids. [Please select]
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In all specimens the number of lamellae beneath the fourth toe varies from 26 to 33 (29.) [Please select]
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There are 21 and 23 lamellae beneath the fourth toe; each has 31 longitudinal rows of scales around the body. [Please select]
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Lamelliform: made up of or resembling leaves, blades or lamellae. [Please select]
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