An der Lan H 1936 (citation)- describes new species brunea from Groenland, and new genus. Westblad E 1945 (citation)- long comments on this genus- gives key and brief description of species- illustrations. See Westblad E 1946 (citation) for new key. Westblad E 1946 (citation)- gives key to species. He has added new species H. monogonophora. Westblad E 1948 (citation)- general discussion of acoel anatomy: p 21- on muscles in, p 23- brain, p 27- reproductive organs, p 28- diagrams of types of reproductive organs, illustrations 4 types, calls this genus a primitive one, p 33-34, male reproductive organ in, p 54- in key to acoels, p 20- retractive muscles at anterior end, p 21- statocyst muscles in, p 61-65, comments on this genus in discussing Archophora,- especially on development of reproductive organs in. Marcus E 1950 (citation)- p 6, 20 and 102 notes this genus completely studied by Westblad 1945 p 10, 46, and Westblad 1946 p 3, 37. notes 3 types of sexuality: 1- hermaphroditic with mixed different germinative zone. 2- hermaphroditic with testes and ovaries 3- one species with separate sexes. gives key to species including his new species H. microphoca. Steinbock O 1966 (citation)- mentions on p 116. Dorjes J 1968 (citation)- notes position of pore varies, p 66. p 96-97 definition H. brunea as type species, seven species: H. brunea H. rubra H. viridis H. rubropunctata H. monogonophora H. microphoca H. albiventer p 107 notes weak development of cuticular needles in male antrium and also glands present in these species. Faubel A 1976 (citation)- discusses and redefines and moves 3 species to genus Kuma p 33-34. Diagnosis p 34- "Color by rhabdites or stored pigment bodies. Frontal gland generally very strongly developed. Mouth ventral. Ovary and testes mixed in a common germinal center. Copulatory organ consists of a ciliated antrum masculinum with terminal opening on posterior end and a more or less well developed seminal vesicle. A short cone-shaped penis is present only in H. rubra (An der Lan). Female accessory organs lacking." Doe DA 1981 (citation)- lists for Haploposthiidae as pharynx simplex (not coronatus).
Notes for the valid (accepted) taxonomic name
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