(not illustrated)
Amphithyris buckmani Thomson, 1918: p. 22, pl. 15, fig. 29, pl. 16, fig. 35 (original description, by monotypy); 1927: p. 215, fig. 64 — Allan 1931: p. 385 — Hertlein & Grant 1944: 107 (as Morrisia buckmani, new combination)— Atkins 1958: p. 578 (comparison with lophophore of Pumilus antiquatus)— Hatai and Elliott 1965: p. H 833, fig.718,1a–c—Bowen 1968: p. 139, fig. 4 — Foster 1974: p. 84, fig. 24 A–C (comparison to A. hallettensis, misidentification of apparent 'topotypic' juveniles, see A. parva)— Logan 1979: p. 63 — Richardson 1981: p. 143 — Campbell & Fleming 1981: p. 146, figs. 1–5 (comparison to A. richardsonae, misidentification of apparent 'topotypic' juveniles, see A. parva)— Zezina 1985: p. 199 — Dawson 1971: p. 163; 1991: p. 433 — Hiller 1994: p. 785 — Bitner 2006: p. 28, fig. 6 A–F (comprehensive redescription, material from Fiji); 2008: p. 440, fig. 11 (re-description, material from Fiji)— MacKinnon & Lee 2006: p. 2225, fig. 1479,2a–e—Logan 2007: p. 3108 —Lüter 2008: p. 316, fig. 2 F–G (misidentification, see A. comitodentis n. sp.)— MacKinnon et al. 2008: p. 321, fig. 1 A–D (illustration of holotype and comparison to A. parva and A. hallettensis)— MacFarlan et al. 2009: p. 262
Type material. Holotype: NMNZ Br 80
Type locality. Cook Strait, off Wellington, New Zealand.
Remarks. It was not possible to borrow the holotype of A. buckmani from NMNZ. As the species is monotypic and, therefore, the original description is based only on one adult individual, Bitner´s descriptions of specimens of A. buckmani collected from Fiji provide further information about this species. This together with the published reinvestigation of the holotype (MacKinnon et al. 2008) provided sufficient information to (a) support the hypothesis of A. buckmani as a separate species, and (b) to distinguish it from the new species of Amphithyris described below. For detailed re-descriptions see Bitner (2006, 2008) and MacKinnon et al. (2008).