• Baltisphaeridium Eisenack, 1958 †
• Baltisphaeridium acanthaceum Timofeev, 1959 ex Hu Yunxu, 1986 †
• Baltisphaeridium accinctum Loeblich & Tappan, 1978 †
• Baltisphaeridium accomodatus (Naumova, 1950) N. Umnova, 1975 †
• Baltisphaeridium acerosum Jankauskas & Posti, 1976 †
• Baltisphaeridium aciculare in Volkova, 1993 †
• Baltisphaeridium aciculatum Orlowska-Zwolinska, 1979 †
• Baltisphaeridium aculeatum (Timofeev, 1959) Downie & Sarjeant, 1965 †
• Baltisphaeridium adiastalatum Wicander, Playford & Robertson, 1999 †
• Baltisphaeridium admixtum Brideaux, 1971 †
• Baltisphaeridium affluens N. Umnova, 1975 †
• Baltisphaeridium ainiktum Loeblich & Wicander, 1976 †
• Baltisphaeridium aitholikellum Loeblich & Wicander, 1976 †
• Baltisphaeridium algerensis Cramer in Cramer, 1969 †
• Baltisphaeridium aliquigranulum Loeblich & Tappan, 1978 †
• Baltisphaeridium alperni Stockmans & Willière †
• Baltisphaeridium andrewsii Stockmans & Willière †
• Baltisphaeridium anfractum Playford, 1977 †
• Baltisphaeridium angulosum Heisecke, 1970 †
• Baltisphaeridium aniae S. Jardiné, A. Combaz, L. Magloire, G. Peniguel & G. Vachey †
• Baltisphaeridium annelieae Kjellström, 1976 emend. Bockelie & Kjellström, 1979 emend. Turner, 1984 †
• Baltisphaeridium annulatum (Timofeev, 1959) Downie & Sarjeant, 1965 †
• Baltisphaeridium antiquum (Naumova, 1950) Downie & Sarjeant, 1965 †
• Baltisphaeridium apertum G. Burmann, 1970 †
• Baltisphaeridium apiculatum (Timofeev, 1959) Downie & Sarjeant, 1965 †
• Baltisphaeridium arboreum N. Umnova, 1975 †
• Baltisphaeridium arbusculiferum Downie †
• Baltisphaeridium archaicum Cramer & Díez, 1972 †
• Baltisphaeridium arcuatum Górka, 1969 †
• Baltisphaeridium areolatum S. Jardiné, A. Combaz, L. Magloire, G. Peniguel & G. Vachey †
• Baltisphaeridium arrectum (Timofeev, 1959) Downie & Sarjeant, 1965 †
• Baltisphaeridium aspersilumiferum Loeblich & Tappan, 1978 †
• Baltisphaeridium asteroideum (Maslov, 1956) Downie & Sarjeant, 1965 †
• Baltisphaeridium asturiae (F. Cramer) F. Cramer †
• Baltisphaeridium atavum (Naumova, 1968) Fensome et al., 1990 †
• Baltisphaeridium axiale W. Wetzel, 1967 †
• Baltisphaeridium balticum (Eisenack) F. Cramer †
• Baltisphaeridium basioconstrictum Vanguestaine et al., 1983 †
• Baltisphaeridium belmontis F. Cramer †
• Baltisphaeridium bergstromii (Staplin, Jansonius & Pocock) F. Martin †
• Baltisphaeridium bicuspidatum Timofeev in Timofeev et al., 1976 †
• Baltisphaeridium bifidum Clarke & Verdier, 1967 †
• Baltisphaeridium bifurcata Timofeev, 1959 ex Martin, 1969 †
• Baltisphaeridium bifurcatum (Timofeev) F. Martin †
• Baltisphaeridium bimacerium W.-L. Zang in Gravestock et al., 2001 †
• Baltisphaeridium bimarginatum (Timofeev, 1959) Downie & Sarjeant, 1965 †
• Baltisphaeridium birminghamense F. Cramer †
• Baltisphaeridium bohemicum (Eisenack, 1934 ex Eisenack, 1938) Downie & Sarjeant, 1965 †
• Baltisphaeridium bonitum F. Cramer †
• Baltisphaeridium borracherosum Cramer †
• Baltisphaeridium bramkaense Górka, 1979 †
• Baltisphaeridium brazosdesnudum Cramer †
• Baltisphaeridium breviciliatum (Staplin) F. Martin †
• Baltisphaeridium brevifurcatum (Eisenack) Eisenack †
• Baltisphaeridium brevispinosum (Eisenack) Eisenack †
• Baltisphaeridium brevituberculata Kjellström, 1971 †
• Baltisphaeridium britannum (Deunff, 1965) Jux, 1975 †
• Baltisphaeridium bublitschenkoii Grishina in Grishina & Klenina, 1983 †
• Baltisphaeridium bulbosum Kjellström, 1971 †
• Baltisphaeridium burmanniae Fensome et al., 1990 †
• Baltisphaeridium bystrentos Loeblich & Tappan, 1978 †
• Baltisphaeridium calicispinae Górka, 1969 †
• Baltisphaeridium cambricum Fensome et al., 1990 †
• Baltisphaeridium cannosphaeropsisoides Stockmans & Willière †
• Baltisphaeridium cantabricum Cramer †
• Baltisphaeridium capillare (Li, 1974) Lu & Wang, 1980 †
• Baltisphaeridium capillatum S. Jardiné, A. Combaz, L. Magloire, G. Peniguel & G. Vachey †
• Baltisphaeridium capsulare Pykhova, 1973 †
• Baltisphaeridium cariniosum Cramer †
• Baltisphaeridium carminae Cramer †
• Baltisphaeridium carrascum F.H. Cramer †
• Baltisphaeridium castaneiforme Uutela & Tynni, 1991 †
• Baltisphaeridium castaneum (Eisenack, 1934 ex Eisenack, 1938) Downie & Sarjeant, 1965 †
• Baltisphaeridium caudatum Pykhova, 1973 †
• Baltisphaeridium cazurrum (F. Cramer) F. Cramer †
• Baltisphaeridium centrocarpum (Deflandre & Cookson) Gerlach †
• Baltisphaeridium chiggerum Cramer, 1969 †
• Baltisphaeridium ciliatum Nagy, 1969 †
• Baltisphaeridium cinctum Timofeev, 1959 ex Rauscher, 1973 †
• Baltisphaeridium circumscissum (Timofeev, 1959) Downie & Sarjeant, 1965 †
• Baltisphaeridium cirsinum Uutela & Tynni, 1991 †
• Baltisphaeridium cladum Downie †
• Baltisphaeridium clarum Pyatiletov, 1976 †
• Baltisphaeridium clavicinctum W. Wetzel, 1967 †
• Baltisphaeridium claviferum (Wilkinson, 1849) Downie & Sarjeant, 1965 †
• Baltisphaeridium clavispinulosum Churchill & Sarjeant †
• Baltisphaeridium cognitum (Timofeev, 1959) Downie & Sarjeant, 1965 †
• Baltisphaeridium cognitum Timofeev †
• Baltisphaeridium complicatum Timofeev, 1959 ex Fensome et al., 1990 †
• Baltisphaeridium conglutinatum Yin, 1986 †
• Baltisphaeridium conspersum (Naumova, 1950) Downie & Sarjeant, 1965 †
• Baltisphaeridium conspicuum (Timofeev, 1959) Downie & Sarjeant, 1965 †
• Baltisphaeridium constrictum Kjellström, 1971 †
• Baltisphaeridium cooksoniae Fensome et al., 1990 †
• Baltisphaeridium coolibahense Playford & Wicander, 1988 †
• Baltisphaeridium corallinum Eisenack †
• Baltisphaeridium corollatum (Timofeev, 1959) Downie & Sarjeant, 1965 †
• Baltisphaeridium coutissianum F. Martin, 1969 †
• Baltisphaeridium crameri C. Singh, 1971 †
• Baltisphaeridium crassatum Grishina in Grishina & Klenina, 1981 †