著者
広瀬 雅人
出版者
日本動物分類学会
雑誌
タクサ:日本動物分類学会誌 (ISSN:13422367)
巻号頁・発行日
vol.33, pp.17-32, 2012-08-20 (Released:2018-03-30)
参考文献数
80

Bryozoans comprise a phylum of sessile, clonal animals, inhabiting marine and freshwater environments. Only around 90 species have been described from freshwater habitats, most belonging to the class Phylactolaemata. Phylactolaemates can propagate asexually by forming encapsulated dormant bodies called statoblasts, which provide characters highly useful in phylactolaemate taxonomy and identification. To date, 23 species of phylactolaemate species in ten genera have been reported from Japan, however their taxonomical review has been never reported. Furthermore, current taxonomy of phylactolaemates is heavily depending on the observation of statoblast microsculpture by using scanning electron microscopy, which causes difficulty of simple identification. In this paper, major characters of colony and statoblast for all species of Japanese freshwater bryozoans including both 23 phylactolaemates and three ctenostomes are summarized. A key to species based on colony and statoblast gross morphology is also provided for help in identification of freshwater bryozoans in various fields such as faunal survey and education.

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田んぼに無茶苦茶かっこいいコケムシがいた…! 枝分かれした群体が立ち上がって沈水したウキゴケみたいな形になっている。 個虫の境界は不明瞭→群体は枝状分岐→触手冠は円形なのでカラクサコケムシ科? 参考:日本産淡水コケムシ類の分類… https://t.co/dQ5XGY6lxo
オオマリコケムシに代表される淡水産コケムシは掩喉綱(=被喉綱)Phylactolaemataに属し、この群は触手冠の配置が馬蹄錠(U字)なのが特徴ですが、このカラクサコケムシ科Fredericellidaeだけは例外的に触手冠が円… https://t.co/aAvAOm30Kr
参考文献: 日本淡水生物学 15 触手動物(鳥海衷、1973) 日本産淡水コケムシ類の分類と同定(広瀬雅人、2012) https://t.co/RWha6Ha5ei

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