adjectiveBotany & Zoology
Tapering at both ends; spindle-shaped.
- The bodies of catsharks are fusiform (cylindrical, tapering at the ends) to slightly depressed.
- Labellar papillae show greater diversity, and may be conical, obpyriform, villiform, fusiform or clavate.
- The most conspicuous features of these elongate fusiform actinopterygians consist of one or two rows of anamestic supraorbital bones, a mosaic of suborbitals, and the presence of two rows of extrascapulars in one species.
Mid 18th century: from Latin fusus 'spindle' + -iform.
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