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Cultellothrix velhoi gen. n., sp. n., a New Spathidiid Ciliate (Ciliophora: Haptorida) from a Brazilian Floodplain Soil
並列摘要
Cultellothrix velhoi sp. n. was discovered in floodplain soil from the Paraná River near the town of Maringá, Brazil, South America. Its morphology was investigated using live observation and protargol impregnation. Cultellothrix belongs to the gymnostomatous ciliate family Spathidiidae, where it represents a new genus characterized by the lateral location of the dorsal brush. Cultellothrix velhoi sp. n. differs from the European congener, C. lionotiformis (Kahl, 1930a) comb. n. (basionym: Spathidium lionotiforme Kahl, 1930a), by the smaller body size, the possession of a postoral extrusome row, and the lack of ordinary somatic ciliary rows between the circumoral and brush kineties. It is argued that the redescription of S. lionotiforme Kahl, 1930a by Foissner (1984) is based on an unfortunate misidentification. Foissner's species is Spathidium scalpriforme Kahl, 1930a, which is assigned to the genus Arcuospathidium and lowered to subspecies rank: Arcuospathidium cultriforme scalpriforme (Kahl, 1930a) comb. n., stat. n.
延伸閱讀
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