Westblad E 1946 (citation)- p 6, suggests he will make a separate family for Hallangia since it doesn't fit in Proporidae. Westblad E 1948 (citation)- p 40, 41 on penis in. p 52- sets up separate family for this genus- on basis of anterior mouth and muscular pharynx. p 57 in key- includes Hallangia and Aechmalotus as 2 genera here. Beauchamp P de 1961 (citation)- makes this a family under Super Family Convolutoidea with only 2 genera- Hallangia and Aechmalotus. Dorjes J 1968 (citation)- lists this family p 77- in key p 78- also p 93-94. Dorjes J 1968 (citation)- p 93 definition. "Mouth and pharynx at antereior end as in Proporus. Pharynx simple with ciliated, sunken epithelium and strong musculature. Frontal organ extremely well developed. Ovary paired or weakly forked. Testes paired. 2 reporductive pores. Bursa seminalis without a nozzle. Copulatory organ consisting of a seminal vesicle and a penis." Type genus Hallangia Westblad 1946- 2 genus, 2 species Aechmalotus Beklemischev VN 1915 (citation) Hallangia Westblad E 1946 (citation) Marcus E 1952 (citation)- lists only p 20. Crezee M 1975 (citation)- p 840-41 on pharynx type.
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