Belongs within: Volutoidea.
Alcithoe is an Australasian genus of volutes bearing an elongate, fusiform shell with a thickened, reflexed outer lip and strong plaits on the columella. Members of the subgenus Palomelon are distinguished by the lack of a fasciole (Weaver & duPont 1970).
<==Alcithoe Adams & Adams 1853DK08 [incl. Glivostia Iredale 1937WP70; Alcithoides, Alcithoinae, Alcithoini]
| i. s.: A. aillaudorum Bouchet & Poppe 1988BC01
| A. concisaB70
| A. ‘corrugata’ (Hutton 1873) (n. d.) [=Voluta (Lyria) corrugata non Binkhorst 1861]F27
| ‘Waihaoia’ firma Marwick 1926F26
| A. flemingi Dell 1978LB89
| A. reflexaM49
| A. solidaF27
| ‘Waihaoia’ thomsoniA27
|--A. (Alcithoe)P61
| |--*A. (A.) pacifica (Perry 1810)BR17 (see below for synonymy)
| |--A. (A.) arabica (Gmelin 1791)P61 (see below for synonymy)
| |--A. (A.) fissurata (Dell 1963) [=Pachymelon (Palomelon) fissurata]WP70
| |--A. (A.) hurupiensis Marwick 1926B70
| |--A. (A.) larochei Marwick 1926 [=A. larockei (l. c.)]WP70
| `--A. (A.) swainsoni Marwick 1926P61 (see below for synonymy)
|--A. (Leporemax Iredale 1937) [incl. Carolluta Iredale 1937]B70
| |--A. (L.) fusus (Quoy & Gaimard 1833)P61 (see below for synonymy)
| |--A. (L.) chathamensis (Dell 1956) [=Leporemax chathamensis]WP70
| |--A. (L.) gatesi Marwick 1926B70, F27 [=Fulguraria morgani Marshall & Murdoch 1920 non Cossmann & Pissaro 1905F27]
| |--A. (L.) hedleyi (Murdoch & Suter 1906)WP70 (see below for synonymy)
| `--A. (L.) rugosa (Marwick 1926) [=Waihaoia rugosa]B70
|--A. (Palomelon Finlay 1926)P61, WP70
| |--A. (*P.) lutea (Watson 1882)LB89, P61 (see below for synonymy)
| |--‘Pachymelon’ (P.) benthicola Dell 1963WP70
| |--‘Pachymelon’ (P.) grahami Powell 1965WP70
| |--A. (P.) smithi (Powell 1950) [=Pachymelon (P.) smithi]WP70
| `--A. (P.) wilsonae (Powell 1933)LB89, P61 [=Pachymelon (P.) wilsonaeP61]
`--A. (Waihaoia Marwick 1926)DK08
|--‘*Waihaoia’ (Waihaoia) allani Marwick 1926F26
`--A. (W.) pagodoides (Tate 1888) [=Voluta pagodoides]DK08
Alcithoe (Alcithoe) arabica (Gmelin 1791)P61 [=Voluta arabicaB70, Fulgoraria arabicaWP70; incl. F. (Alcithoe) depressa Suter 1908WP70, Alcithoe arabica jaculoides Powell 1924WP70, A. johnstoni Powell 1928WP70]
*Alcithoe (Alcithoe) pacifica (Perry 1810)BR17 [=Voluta pacificaBR17, Cymbiola pacificaWP70, Scaphella (*Alcithoe) pacificaWP70, Voluta (Scapha) pacificaWP70]
Alcithoe (Alcithoe) swainsoni Marwick 1926P61 [incl. A. calva Powell 1928WP70, Voluta elongata Swainson 1821 non Lightfoot 1786WP70, Fulgoraria arabica elongataWP70, Scaphella elongataWP70, Voluta pacifica var. elongataH86, Alcithoe swainsoni motutarensis Powell 1928WP70, A. moturtarensis (l. c.)WP70, *Glivostia ostenfeldi Iredale 1937WP70, A. ostenfeldiP61]
Alcithoe (Leporemax) fusus (Quoy & Gaimard 1833)P61 [=Voluta fususB70; incl. V. gracilus Swainson 1824 nec V. gracilis Dillwyn 1823 nec V. gracilis Wood 1828B70, Alcithoe (*Leporemax) gracilisB70, Cymbiola gracilisWP70, Fulgoraria gracilisWP70, Voluta pacifica var. gracilisP79, Alcithoe fusus haurakiensis Dell 1956WP70]
Alcithoe (Leporemax) hedleyi (Murdoch & Suter 1906)WP70 [=Fulgoraria (Alcithoe) hedleyiWP70, A. (*Carolluta) hedleyiWP70, Voluta hedleyiB70]
Alcithoe (*Palomelon) lutea (Watson 1882)LB89, P61 [=Cymbiola luteaP61, Voluta luteaWP70, Waihaoia (Pachymelon) luteaF26, W. (Palomelon) luteaF26]
*Type species of generic name indicated
References
[A27] Allan, R. S. 1927. The geology and palaeontology of the Lower Waihao Basin, south Canterbury, New Zealand. Transactions and Proceedings of the New Zealand Institute 57: 265–309.
[B70] Beu, A. G. 1970. Bathyal Upper Miocene Mollusca from Wairarapa district, New Zealand. Transactions of the Royal Society of New Zealand, Earth Sciences 7 (12): 209–240.
[BR17] Bouchet, P., J.-P. Rocroi, B. Hausdorf, A. Kaim, Y. Kano, A. Nützel, P. Parkhaev, M. Schrödl & E. E. Strong. 2017. Revised classification, nomenclator and typification of gastropod and monoplacophoran families. Malacologia 61 (1–2): 1–526.
[BC01] Boyko, C. B., & J. R. Cordeiro. 2001. Catalog of Recent type specimens in the Division of Invertebrate Zoology, American Museum of Natural History. V. Mollusca, part 2 (class Gastropoda [exclusive of Opisthobranchia and Pulmonata], with supplements to Gastropoda [Opisthobranchia], and Bivalvia). Bulletin of the American Museum of Natural History 262: 1–170.
[DK08] Darragh, T. A., & G. W. Kendrick. 2008. Silicified Eocene molluscs from the Lower Murchison district, Southern Carnarvon Basin, Western Australia. Records of the Western Australian Museum 24 (3): 217–246.
[F26] Finlay, H. J. 1926. A further commentary on New Zealand molluscan systematics. Transactions and Proceedings of the New Zealand Institute 57: 320–485.
[F27] Finlay, H. J. 1927. New specific names for austral Mollusca. Transactions and Proceedings of the New Zealand Institute 57: 488–533.
[H86] Hutton, F. W. 1886. The Mollusca of the Pareora and Oamaru systems of New Zealand. Proceedings of the Linnean Society of New South Wales, series 2, 1 (1): 205–237.
[LB89] Leal, J. H., & P. Bouchet. 1989. New deep-water Volutidae from off southeastern Brazil (Mollusca: Gastropoda). Nautilus 103 (1): 1–12.
[M49] Mason, B. 1949. The geology of Mandamus-Pahau district, north Canterbury. Transactions and Proceedings of the Royal Society of New Zealand 77 (3): 403–428.
[P79] Petterd, W. F. 1879. List of the Australian volutes. Journal of Conchology 2: 340–345.
[P61] Powell, A. W. B. 1961. Shells of New Zealand: An illustrated handbook 4th ed. Whitcombe and Tombs Limited: Christchurch.
[WP70] Weaver, C. S., & J. E. duPont. 1970. Living Volutes: A monograph of the Recent Volutidae of the World. Delaware Museum of Natural History: Greenville (Delaware).