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Gill morphology and formulae of crayfishes (Decapoda: Astacidea: Parastacidae) from New Guinea and New Zealand and a comparison with other selected species of crayfishes
Journal of Crustacean Biology ( IF 1.2 ) Pub Date : 2021-02-05 , DOI: 10.1093/jcbiol/ruab004
Tadashi Kawai 1 , Jiří Patoka 2
Affiliation  

The Infraorder Astacidea comprises four superfamilies of decapod crustaceans: the freshwater Astacoidea and Parastacoidea and the marine Enoplometopoidea and Nephropoidea. The gill morphology of four species of crayfishes belonging to Astacoidea and Parastacoidea, two coral reef species of Enoplometopoidea, and 2 deep-water species of Nephropoidea are described and illustrated for comparisons and to determine characters characteristic to members of the family Parastacidae (Parastacoidea) from New Guinea. Morphology of the arthrobranchs and pleurobranchs were similar among all species, having a single stem with filament, but podobranchs of the parastacoideans differed from those of Astacoidea, being corrugated and tubular and having filaments. The astacoidean P. virginalis had a plate-like lamella with filament. The two nephropoid and two enoplometopoid species were similar to each other; their podobranch had a flat blade-like lamella without a filament and a shaft with a filament. The gill formulae of the New Guinea species of Cherax were the same as those of the Australian congeners, but the formula of the New Zealand Paranephrops planifronsWhite, 1842 was the same as those of the South American parastacids.

中文翻译:

新几内亚和新西兰小龙虾(十足目:Astacidea:Parastacidae)的鳃形态、形态及与其他选定小龙虾种类的比较

Infraorder Astacidea 包括四个十足目甲壳动物超科:淡水 Astacoidea 和 Parastacoidea 以及海洋 Enoplometopoidea 和 Nephropoidea。描述和说明了属于 Astacoidea 和 Parastacoidea 的四种小龙虾、两种珊瑚礁物种 Enoplometopoidea 和 2 种深水物种 Nephropoidea 的鳃形态,用于比较和确定 Parastacidae (Parastacoidea) 成员的特征。新几内亚。节支和胸膜的形态在所有物种中相似,具有单根带丝的茎,但副刺槐的足枝与刺槐不同,呈波纹状和管状并具有丝。astacoidean P. virginalis 有一个带细丝的板状薄片。两个肾类和两个内皮类物种彼此相似;它们的足枝有一个扁平的叶片状薄片,没有细丝,而轴则有细丝。新几内亚种 Cherax 的鳃配方与澳大利亚同系的相同,但新西兰 Paranephrops planifronsWhite,1842 的配方与南美寄生虫相同。
更新日期:2021-02-05
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