Canningia minor subsp. minor
From dinoflaj2
"subsp. minor". Autonym. Holotype: Cookson and Hughes, 1964, pl.8, fig.1. NOW Kallosphaeridium? helbyi subsp. helbyi. Originally Canningia? minor subsp. minor, subsequently Chytroeisphaeridia minor subsp. minor, thirdly (and now) Kallosphaeridium? helbyi subsp. helbyi. Parent: Canningia minor