Tapeinosphaeridium hyalinum

"hyalinum" Raynaud, 1978, p.394–395, pl.2, fig.18.  Holotype: Raynaud, 1978, pl.2, fig.18.  NOW Chytroeisphaeridia.  Originally Tapeinosphaeridium, subsequently (and now) Chytroeisphaeridia.  Taxonomic junior synonym: Chytroeisphaeridia grossa, according to Riding (1990, p.311).  Age: early-middle Callovian.

Parent: Tapeinosphaeridium