Turbellarian taxonomic database
Westblad E 1942 (citation)- defines genus p 39 for his new species Paranaperus pellucidus.
Westblad E 1945 (citation)- notes genus Haploposthia is close to this
Westblad E 1948 (citation)- in key to genus of acoes p 55; p 29 on gonads in; p 61 on development of
reproductive organs etc, comparison with Haploposthia.
Marcus E 1950 (citation)- notes this genus with penis and atrium spacious p 10, 102.
Steinbock O 1966 (citation)- mentions.
Dorjes J 1968 (citation)- moves this to new family Anaperidae, definition of genus p 108, one
species Paranaperus pellucidus Westblad, type species.
Beklemischev VN 1969 (citation)- Vol II, p 395 notes glandular spines in.