Author Continent Country Date Period Genus Alexander Europe England 1936 Silurian Gypidula Cuffey NA USA - PA 1994 Devonian Gypidula Imlay NA USA - MI 1932 Devonian Gypidula Khodalevich Europe Russia 1960 Devonian Gypidula Abramian Europe Armenia 1974 Devonian Gypidula Alekseeva Asia Russia 1967 Devonian Gypidula Amsden NA USA - OK 1953 Devonian Gypidula Asselberghs Europe Belgium 1923 Devonian Gypidula Balinski Europe Poland 1979 Devonian Gypidula Bassett Europe Sweden 1974 Silurian Gypidula Belanski NA USA - IA 1928 Devonian Gypidula Beus NA USA - AZ 1978 Devonian Gypidula Blodgett NA USA - AK 1988 Silurian Gypidula Boucot NA USA - ME 1973 Silurian Gypidula Boucot NA Canada 1986 Devonian Gypidula Boucot SA Venezuela 1972 Silurian Gypidula Branson NA USA - MO 1923 Devonian Gypidula Breivel' Asia Russia 1988 Silurian Gypidula Borissiak Asia Kazakhstan 1988 Silurian Gypidula Brice Asia Afghanistan 1955 Silurian Gypidula Brice Europe France 1991 Devonian Gypidula Chapman Pacific Australia 1913 Silurian Gypidula Cocks Europe Norway 1982 Silurian Gypidula Comte Europe Spain 1938 Devonian Gypidula Cooper & Dutro NA USA - NM 1982 Devonian Gypidula Diller NA USA - CA 1894 Devonian Gypidula Dunbar NA USA - TN 1919 Devonian Gypidula Ficner Europe Czechoslovakia 1978 Devonian Gypidula Flint NA USA - MO 1926 Silurian Gypidula Foerste NA USA - TN 1926 Silurian Gypidula Frost NA USA - NV 1965 Devonian Gypidula Gailite Europe Baltic 1967 Silurian Gypidula Grabau Asia China 1931 Devonian Gypidula Griesemer NA USA - WI 1965 Devonian Gypidula Holland Europe Ireland 1988 Silurian Gypidula Holland Europe England 1963 Silurian Gypidula Holtedahl Arctic 1963 Silurian Gypidula Hurst Europe Wales 1978 Silurian Gypidula Imbrie NA USA - MI 1959 Devonian Gypidula Khalfin Asia Russia 1955 Carboniferous Gypidula Kindle NA USA - IN 1900 Devonian Gypidula Kirk & Amsden NA USA - AK 1952 Silurian Gypidula Le Matre Africa Morocco 1944 Devonian Gypidula Le Matre Africa Algeria 1944 Devonian Gypidula Lenz Pacific Australia 1985 Devonian Gypidula Maynard NA USA - MD 1913 Devonian Gypidula Nalivkin Asia Turkestan 1930 Devonian Gypidula Nikiforova Europe Balkans 1937 Silurian Gypidula Penecke Europe Austria 1894 Devonian Gypidula Rong Asia Mongolia 1985 Silurian Gypidula Rubel Europe Estonia 1970 Silurian Gypidula