Template:Hess, 1975a

• Hess, H. 1975. Mikropaläontologische Untersuchungen an Ophiuren VI: Die Ophiuren aus den Günsberg-Schichten (oberes Oxford) vom Guldental (Kt. Solothurn). Eclogae geologicae Helvetiae. 68(3): 591-601. DOI: 10.5169/seals-164405  
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Nomenclatural acts

• Date of publication: 1975

New names (1)

(List may be incomplete)

• †Ophiacantha biformis