Genus

Tvaerenella Jaanusson, 1957


TUG 1120-50	Tvaerenella tuberculata \| Primitiella granosa	Kohtla-Järve	Kukruse Stage \| CII	holotype
TUG 1120-52	Tvaerenella pulex	Kohtla-Järve	Kukruse Stage \| CII	paratype
TUG 1120-91	Tvaerenella modesta \| Primitiella indistincta	Kohtla-Järve	Kukruse Stage \| CII	holotype
TUG 1305-21	Tvaerenella modesta \| Tvaerenella modesta Sarv, 1959	Osmussaar 1	Kunda Stage
TUG 1305-22	Tvaerenella modesta \| Tvaerenella modesta (Sarv, 1959)	Osmussaar 1	Kunda Stage
GIT 137-12	Tvaerenella longa \| Primitiella longa	Tuula	Oandu Stage	holotype
GIT 137-13	Tvaerenella magna \| Primitiella magna	Tõrremäe	Oandu Stage	holotype
GIT 137-14	Tvaerenella magna \| Primitiella magna	Tõrremäe vabaduse plats	Oandu Stage
GIT 138-100	Tvaerenella modesta	Osmussaar	Kunda Stage	holotype
GIT 138-101	Tvaerenella modesta	Osmussaar	Kunda Stage	holotype