Mamkaev YuV 1965 (citation)- p 47. long detailed description and comparisons- from fine sand in White Sea. external characters p 24-26; teguments and glands p 26-33; nervous system and sense organs p 33-34; musculature p 34-35; parenchyma p 35-38; reproductive organs- spermatogenesis and oogenesis p 38-43; life history p 43-45; and comparisons p 45-46. Histological details and light microscopy. Steinbock O 1967 (citation)- mentions p 404. Dorjes J 1968 (citation)- lists. Faubel A 1976 (citation)- brief description p 49. compares stylets p 49.
Hooge MD, Haye P, Tyler S, Litvaitis MK, Kornfield I 2002 (citation)- Phylogenetic relationships using 18S rDNA, and morphological characters of sperm and body-wall musculature.
Raikova OI, Reuter M, Kotikova EA, Gustafsson MKS 1998 (citation)- 5-HT immunoreactivity in Acoela, brain analysis. Species used: Anaperus biaculeatus, Childia groenlandica, Actinoposthia beklemischevi, and Mecynostomum sp.
Reuter M, Raikova OI, Gustafsson MKS 1998 (citation)- brain of Acoela a common flatworm type? Immunocytochemical study (FMRF-amide) of nervous system of four species: Anaperus biaculeatus, Childia groenlandica, Actinoposthia beklemischevi and Mecynostomum sp.
Raikova O, Falleni A, Gremigni V 1995 (citation)- Oogenesis in Actinoposthia beklemischevi, ultrastructural and cytochemical study.
Joffe BI 1991 (citation)- comparison of "spatial distribution of catecholamine-containing (GA-positive) neurons in several species of turbellarians: Provortex karlingi, Microstomum sp., Actinoposthia beklemischevi, Aphanostoma virescens.
Raikova OI 1991 (citation)- fine structure, "nervous system and ciliary receptors of acoelan turbellarians". Species considered: Actinoposthia beklemischevi, Anaperus biaculeatus, Aphanostoma virescens, Haploposthia opisthorchis.
Raikova OI 1989 (citation)- "The fine structure of the nervous system of both plexus-type and that with formed nerve trunks was studied in representatives of four families of Acoela." Families and species studied include: Haploposthiidae Haploposthia opisthorchis Childiidae Actinoposthia beklemischevi Anaperidae Anaperus biaculeatus Convolutidae Aphanostoma virescens Descriptions of synapses, vesciles with granules in neurites, sensillae as associated fine structure are described.
Raikova OI, Flyatchinskaya LP, Justine J-L 1998 (citation)- "Acoel spermatozoa: ultrastructure and immunocytochemistry of tubulin."
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