 
Pliocene - Coraline Crag
    Ann.Mag.Nat.Hist. 13, p.20; as Flustra trifolium
    NHML – B 1642
    Sutton, Suffolk
    Desc. + Figd Busk 1859, Crag Polyzoa, p. 32.
    Designated as LECTOTYPE
    By Brown 1952 (Tertiary Cheilostomatous Polyzoa of New Zealand, p.85)
    Lagaaij 1952 Pliocene Bryozoa of the Low Countries p.255.
    Coll. S.V. Wood