Subfamily Leucosiinae Samouelle, 1819

Leucosia anatum [from Miers 1886: pl. 27]

Museums

Regional Maps

• Leucosiidae Samouelle, G. 1819. The Entomologist's Useful Compendium; or an introduction to the knowledge of British Insects, comprising the best means of obtaining and preserving them, and a description of the apparatus generally used; together with the genera of Linné, and modern methods of arranging the Classes Crustacea, Myriapoda, spiders, mites and insects, from the affinities and structure, according to the views of Dr. Leach. Also an explanation of the terms used in entomology; a calendar of the times of appearance and usual situations of near 3,000 species of British Insects; with instructions for collecting and fitting up objects for the microscope. London : Thomas Boys 496 pp. 12 pls. [91] [as Leucosiadae, corrected to Leucosiidae by Miers, E.J. 1879. On the classification of the Maioid Crustacea of Oxyrhyncha, with a synopsis of the families, sub-families and genera. Journal of the Linnean Society of London. Zoology 14: 634–673 pls 12–13 (671), Name No. 374 on the Official List of Family-Group Names in Zoology].

  Secondary source:

   Miers, E.J. 1879. On the classification of the Maioid Crustacea of Oxyrhyncha, with a synopsis of the families, sub-families and genera. Journal of the Linnean Society of London, Zoology 14: 634-673 pls 12-13.

Diagnosis

Carapace with dorsal surface smooth. Frontal region narrowed and produced anteriorly. Eyes very minute. Anterior part of pterygostome ending in circular depression behind orbit; thoracic sinus (shallow pit) present in front of and above bases of chelipeds. Third maxilliped with merus shorter than half length of ischium measured along inner border. Chelipeds with palm swollen; fingers slender; dactylus typically closing vertically, but sometimes in horizontal plane. Female abdomen enlarged, discoid.

History of changes