A remarkable new species of the millipede genus Trachyjulus Peters, 1864 (Diplopoda, Spirostreptida, Cambalopsidae) from Thailand, based both on morphological and molecular evidence

A new, giant species of Trachyjulus from a cave in southern Thailand is described, illustrated, and compared to morphologically closely related taxa. This new species, T. magnussp. nov., is much larger than all other congeners and looks especially similar to the grossly sympatric T. unciger Golovatc...

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Detalles Bibliográficos
Autores principales: Likhitrakarn, Natdanai, Golovatch, Sergei I., Jeratthitikul, Ekgachai, Srisonchai, Ruttapon, Sutcharit, Chirasak, Panha, Somsak
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Pensoft Publishers 2020
Materias:
Research Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7160207/
https://www.ncbi.nlm.nih.gov/pubmed/32317853
http://dx.doi.org/10.3897/zookeys.925.49953
Descripción
Sumario:A new, giant species of Trachyjulus from a cave in southern Thailand is described, illustrated, and compared to morphologically closely related taxa. This new species, T. magnussp. nov., is much larger than all other congeners and looks especially similar to the grossly sympatric T. unciger Golovatch, Geoffroy, Mauriès & VandenSpiegel, 2012, which is widespread in southern Thailand. Phylogenetic trees, both rooted and unrooted, based on a concatenated dataset of the COI and 28S genes of nine species of Cambalopsidae (Trachyjulus, Glyphiulus, and Plusioglyphiulus), strongly support the monophyly of Trachyjulus and a clear-cut divergence between T. magnussp. nov. and T. unciger in revealing very high average p-distances of the COI gene (20.80–23.62%).

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