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Dictionary of ichthyology
- 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
fins

a usually stiff, sharp, dermal rod which supports and or arms the fin; spinous ray. Lacks segments and is not laterally paired as are rays. Spine counts are given in Roman numerals, e.g. XI-XIV. See also ray, spine


Оригинал статьи 'fins' на сайте Словари и Энциклопедии на Академике