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首页> 外文期刊>Herpetologica >The Larva of Crossodactylus aeneus Muller, 1924: Morphology and Ecological Aspects
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The Larva of Crossodactylus aeneus Muller, 1924: Morphology and Ecological Aspects

机译：横纹对虾幼虫，1924年：形态学和生态学方面

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Presently, only 6 out of 14 species in the frog genus Crossodactylus have had their larvae described. Regarding internal oral morphology, only C. dispar, C. gaudichaudii, and C. trachystomus have had tadpoles described. Furthermore, the osteology of C. gaudichaudii was briefly studied and constitutes the unique reference to the subject within the genus. Here, we describe the tadpole of Crossodactylus aeneus, including its osteology and internal oral anatomy features, an endemic species of the Atlantic forest biome of Brazil. We also provide data from nature on their microhabitat use and abundance variation throughout the year in the streams at the study site. The external morphology of Crossodactylus aeneus tadpoles is different from all of Crossodactylus spp. tadpoles described, except for C. gaudichaudii, the adult of which is also morphologically similar to Crossodactylus aeneus. The osteology of Crossodactylus aeneus tadpoles is similar to that of Hylodes ornatus (the single species of Hylodidae that has had its chondrocranium described) but the pair of adrostral cartilages present in the chondrocranium of Hylodes ornatus is absent in Crossodactylus aeneus and the pair of processus muscularis of Hylodes ornatus is comparatively more developed than that of Crossodactylus aeneus. The overall aspect of the oral internal morphology of Crossodactylus aeneus is more similar to that of C. gaudichaudii than to other Crossodactylus species described in the literature. Our field data showed that tadpoles of Crossodactylus aeneus are benthic, and that the most frequently used microhabitats were mud, sand, sand with vegetation, and mud with vegetation, all most frequently in the shallow parts of streams. At the study site in the state of Rio de Janeiro, Brazil, they were more abundant (in all stages of development) during the driest period of the year.
机译：目前，在蛙属Crossodactylus的14个物种中，只有6个具有其幼虫的描述。关于内部口腔形态，仅描述了C. dispar，C。gaudichaudii和C. trachystomus。此外，对高氏梭菌的骨病学进行了简要的研究，并构成了该属中该对象的唯一参考。在这里，我们描述了Crossodactylus aeneus的the，包括其骨科和内部口腔解剖特征，这是巴西大西洋森林生物群系的特有物种。我们还提供来自自然界的数据，这些数据涉及研究地点全年中它们的微生境使用情况和丰度变化。横纹夜蛾t的外部形态与所有横纹夜蛾属不同。 described，除了高加索梭状芽孢杆菌外，其成虫在形态上也与伊奈克线虫相似。阴茎圆头t的骨学与or形Hy（描述了其软骨的单个of科物种）相似，但是or形n的软骨中存在一对成对的软骨，而a对的process突肌则不存在。 Hylodes ornatus的杂交种比Crossodactylus aeneus的杂交种更发达。与文献中描述的其他Crossodactylus种类相比，Cane godachaudii的口腔内部形态的总体外观与C. gaudichaudii更加相似。我们的野外数据显示，中华绒螯蟹的bent是底栖动物，最常用的微生境是泥，沙，有植物的沙和有植物的泥，都最常见于河流的浅水区。在巴西里约热内卢州的研究中心，一年中最干燥的时期它们的含量更高（在所有开发阶段）。

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