Lagena buchneri n. sp.

(Figs 12 A-H; 31F, G)

urn:lsid:zoobank.org:act: EF5BA659-33AF-474E-8107-9BDB4E729AF9

HOLOTYPE. — Sample: LRK2, 2.10 m (MNHN.F.F67651).

PARATYPE. — Sample: LRK2, 2.30 m (MNHN.F.F67652).

DIAGNOSIS. — Test ovoid ornamented with fine costae and distinct neck with reticulate ornamentation, apiculate base, aboral opening.

TYPE AGE. — Late Pliocene.

TYPE LOCALITY. — Brest-LRK2 (Finistère).

ETYMOLOGY. — In honour of Paul Buchner.

SIZE. — Length = 0.502 mm; diameter = 0.227 mm.

OCCURENCE. — Marls from Brest-LRK2.

DESCRIPTION

Test ovoid, ornamented with numerous longitudinal fine costae alternating with shorter (44) extend onto neck with reticulate shape; neck distinct consisting of a overlay of hexagonal-based chamberlets externally closed with punctate wall; aboral end with three apiculate rings; wall hyaline, punctate; aperture rounded; aboral end structure.