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holobranchious
holobranchious adj. 
/ˌhoʊləˈbræŋkiəs/, /ˌhɑləˈbrɑŋkiəs/, /ˌhoʊləˈbrɑŋkiəs/ Ichthyology having complete gills or branchial apparatus: opposed to hemibranchiate.
Brit. /ˌhɒlə(ʊ)ˈbraŋkɪəs/
, /ˌhɒlə(ʊ)ˈbraŋkɪəs/U.S. /ˌhɑləˈbræŋkiəs/
, /ˌhɑləˈbræŋkiəs//ˌhoʊləˈbræŋkiəs//ˌhɑləˈbrɑŋkiəs//ˌhoʊləˈbrɑŋkiəs/ΘΚΠ
the world > animals > fish > parts of fish > [adjective] > having specific type of gills
holobranchious1854
marsipobranch1874
marsipobranchiate1878
holobranchiate1885
pouch-gilled1885
purse-gilled1890
1854 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Holobranchious.
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