Sicyonia Mixta
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Sicyonia Mixta
''Sicyonia'' is a genus of prawns, placed in its own family, Sicyoniidae. It differs from other prawns in that the last three pairs of its pleopods are uniramous, rather than biramous as seen in all other prawns. ''Sicyonia'' contains 52 extant species, and one species known only from fossils from the Upper Cretaceous. Analyses using molecular phylogenetics suggest that the family Sicyoniidae is nested within the larger family Penaeidae, and that the latter family may need to be divided up, elevating each of its traditionally recognised tribes to the rank of family. The extant species are: *'' Sicyonia abathophila'' (Crosnier, 2003) *'' Sicyonia adunca'' (Crosnier, 2003) *''Sicyonia affinis'' (Faxon, 1893) *'' Sicyonia aliaffinis'' (Burkenroad, 1934) *'' Sicyonia altirostrum'' (Crosnier, 2003) *''Sicyonia australiensis'' Hanamura & Wadley, 1998 *''Sicyonia benthophila'' (De Man, 1907) *''Sicyonia bispinosa'' (De Haan, 1844) *''Sicyonia brevirostris'' (Stimpson, 1871) *''Sicyon ...
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Sicyonia Penicillata
''Sicyonia'' is a genus of prawns, placed in its own family, Sicyoniidae. It differs from other prawns in that the last three pairs of its pleopods are uniramous, rather than biramous as seen in all other prawns. ''Sicyonia'' contains 52 extant species, and one species known only from fossils from the Upper Cretaceous. Analyses using molecular phylogenetics suggest that the family Sicyoniidae is nested within the larger family Penaeidae, and that the latter family may need to be divided up, elevating each of its traditionally recognised tribes to the rank of family. The extant species are: *'' Sicyonia abathophila'' (Crosnier, 2003) *'' Sicyonia adunca'' (Crosnier, 2003) *'' Sicyonia affinis'' (Faxon, 1893) *'' Sicyonia aliaffinis'' (Burkenroad, 1934) *'' Sicyonia altirostrum'' (Crosnier, 2003) *'' Sicyonia australiensis'' Hanamura & Wadley, 1998 *'' Sicyonia benthophila'' (De Man, 1907) *'' Sicyonia bispinosa'' (De Haan, 1844) *''Sicyonia brevirostris ''Sicyonia breviros ...
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Sicyonia Affinis
''Sicyonia'' is a genus of prawns, placed in its own family, Sicyoniidae. It differs from other prawns in that the last three pairs of its pleopods are uniramous, rather than biramous as seen in all other prawns. ''Sicyonia'' contains 52 extant species, and one species known only from fossils from the Upper Cretaceous. Analyses using molecular phylogenetics suggest that the family Sicyoniidae is nested within the larger family Penaeidae, and that the latter family may need to be divided up, elevating each of its traditionally recognised tribes to the rank of family. The extant species are: *'' Sicyonia abathophila'' (Crosnier, 2003) *'' Sicyonia adunca'' (Crosnier, 2003) *'' Sicyonia affinis'' (Faxon, 1893) *'' Sicyonia aliaffinis'' (Burkenroad, 1934) *'' Sicyonia altirostrum'' (Crosnier, 2003) *'' Sicyonia australiensis'' Hanamura & Wadley, 1998 *'' Sicyonia benthophila'' (De Man, 1907) *'' Sicyonia bispinosa'' (De Haan, 1844) *''Sicyonia brevirostris'' (Stimpson, 1871) *'' ...
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Sicyonia Disparri
''Sicyonia'' is a genus of prawns, placed in its own family, Sicyoniidae. It differs from other prawns in that the last three pairs of its pleopods are uniramous, rather than biramous as seen in all other prawns. ''Sicyonia'' contains 52 extant species, and one species known only from fossils from the Upper Cretaceous. Analyses using molecular phylogenetics suggest that the family Sicyoniidae is nested within the larger family Penaeidae, and that the latter family may need to be divided up, elevating each of its traditionally recognised tribes to the rank of family. The extant species are: *'' Sicyonia abathophila'' (Crosnier, 2003) *'' Sicyonia adunca'' (Crosnier, 2003) *''Sicyonia affinis'' (Faxon, 1893) *'' Sicyonia aliaffinis'' (Burkenroad, 1934) *'' Sicyonia altirostrum'' (Crosnier, 2003) *'' Sicyonia australiensis'' Hanamura & Wadley, 1998 *'' Sicyonia benthophila'' (De Man, 1907) *'' Sicyonia bispinosa'' (De Haan, 1844) *''Sicyonia brevirostris'' (Stimpson, 1871) *'' S ...
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