original description
Harger, O. (1872). Descriptions of new North-American Myriapods. American Journal of Science, 3(4): 117-121 [details]
original description
(of Flagellopetalum Causey, 1951) Causey, N. B. (1951). New genera and species of chordeumoid millipeds in the United States, and notes on some established species. Proceedings of the Biological Society of Washington, 64: 117-124
page(s): 119 [details]
original description
(of Tynopus Chamberlin, 1940) Chamberlin, R. V. (1940). On some chilopods and diplopods from North Carolina. Canadian Entomologist, 72: 56-59
page(s): 57 [details]
additional source
Shear, W. A. (2003). The milliped family Trichopetalidae, part 1: Introduction and genera Trigenotyla Causey, Nannopetalum n. gen., and Causeyella n. gen. (Diplopoda: Chordeumatida: Cleidogonoidea). Zootaxa, 321: 1-36. Auckland [details]
additional source
Shear, William Albert. (2010). The milliped family Trichopetalidae, Part 2: The genera Trichopetalum, Zygonopus and Scoterpes (Diplopoda: Chordeumatida, Cleidogonoidea). Zootaxa, 2385: 1-62 [details]
additional source
Loomis, H. F. (1966). Two new families and other North American Diplopoda of the suborder Chordeumidea. Proceedings of the Biological Society of Washington, 79: 221-230. Washington [details]
From editor or global species database