- Baltisphaeridium varispinosum W.A.S. Sarjeant
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Geol. Mag. 96: 338, fig. 6, pl. XIII: fig. 7.
1959.
(E)
Type locality: England: Yorkshire: Cayton Bay
Middle Jurassic: Lower Callovian
See Tenua varispinosa (W.A.S. Sarjeant) W.A.S. Sarjeant 1972
See Sentusidinium varispinosum (W.A.S. Sarjeant) W.A.S. Sarjeant & L.E. Stover 1978
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