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Llinell 25: \| range_map_alt = \| range_map_caption = \| synonyms = \| * ''Gasteracanthus cataphractus'' Pallas, 1814 * ''Gasterosteus aculeatus algeriensis'' Sauvage, 1874 * ''Gasterosteus aculeatus messinicus'' Stephanidis, 1971 * ''Gasterosteus aculeatus microcephalus'' (non Girard, 1854) * ''Gasterosteus algeriensis'' Sauvage, 1874 * ''Gasterosteus argentatissimus'' Blanchard, 1866 * ''Gasterosteus argyropomus'' Cuvier, 1829 * ''Gasterosteus atkinsi'' Bean, 1879 * ''Gasterosteus atkinsii'' Bean, 1879 * ''Gasterosteus bailloni'' Blanchard, 1866 * ''Gasterosteus biaculeatus'' Mitchill, 1815 * ''Gasterosteus biarmatus'' Krynicki, 1840 * ''Gasterosteus bispinosus'' Walbaum, 1792 * ''Gasterosteus brachycentrus'' Cuvier, 1829 * ''Gasterosteus cataphractus'' (Pallas, 1814) * ''Gasterosteus cuvieri'' Girard, 1850 * ''Gasterosteus Dekayi'' Ayres, 1855 * ''Gasterosteus dimidiatus'' Reinhardt, 1837 * ''Gasterosteus elegans'' Blanchard, 1866 * ''Gasterosteus gymnurus'' (non Cuvier, 1829) * ''Gasterosteus hologymnus'' Regan, 1909 * ''Gasterosteus inopinatus'' Girard, 1854 * ''Gasterosteus insculptus'' Richardson, 1855 * ''Gasterosteus intermedius'' Girard, 1856 * ''Gasterosteus islandicus'' (non Sauvage, 1874) * ''Gasterosteus leiurus'' Cuvier, 1829 * ''Gasterosteus loricatus'' Reinhardt, 1837 * ''Gasterosteus microcephalus'' (non Girard, 1854) * ''Gasterosteus nemausensis'' Crespon, 1844 * ''Gasterosteus neoboracensis'' DeKay, 1842 * ''Gasterosteus neustrianus'' Blanchard, 1866 * ''Gasterosteus niger'' Cuvier, 1829 * ''Gasterosteus noveboracensis'' Cuvier, 1829 * ''Gasterosteus obolarius'' Cuvier, 1829 * ''Gasterosteus plebeius'' Girard, 1854 * ''Gasterosteus ponticus'' Nordmann, 1840 * ''Gasterosteus pugetti'' Girard, 1856 * ''Gasterosteus quadrispinosa'' Crespon, 1844 * ''Gasterosteus quadrispinosus'' Crespon, 1844 * ''Gasterosteus semiarmatus'' Cuvier, 1829 * ''Gasterosteus semiloricatus'' Cuvier, 1829 * ''Gasterosteus serratus'' Ayres, 1855 * ''Gasterosteus spinulosus'' Yarrell, 1835 * ''Gasterosteus suppositus'' Sauvage, 1874 * ''Gasterosteus teraculeatus'' Lacepède, 1801 * ''Gasterosteus tetracanthus'' Cuvier, 1829 * ''Gasterosteus texanus'' Sauvage, 1874 * ''Gasterosteus trachurus'' Cuvier, 1829 * ''Gastrosteus hologymnus'' Regan, 1909 }} [[Pysgodyn]] sy'n byw yn y môr ac mewn dŵr croyw ac sy'n perthyn i deulu'r [[Gasterosteidae]] ydy'r '''Crothell Dri Phigyn''' sy'n enw benywaidd; lluosog: '''crethyll tri phigyn''' ([[Lladin]]: ''Gasterosteus aculeatus''; [[Saesneg]]: ''Three-spined stickleback'').

Crothell Dri Phigyn: Gwahaniaeth rhwng fersiynau