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Tetragramma tenerum Smith & Rader, 2009, p. 30

Distribution	Lower Albian, Lower Cretaceous, Texas, USA
Type	Holotype: BMNH EE13460; paratypes BMNH EE13461-13462.
Classification and/or Status	A species of Tetragramma
Remarks	Smith, A. B. & Rader, W. L. 2009. Echinoid diversity, preservation potential and sequence stratigraphical cycles in the Glen Rose Formation (early Albian, Early Cretaceous), Texas, USA. Palaeobiodiversity and Palaeoenviroments 89, 2-75