Triple murex Pterynotus triformis, copyright Museums Victoria.

Belongs within: Muricidae.

Pterynotus is a genus of murexes with a trivaricate shell bearing more or less expanded varical flanges. In members of the subgenus Pterochelus, there is a channeled spine at the shoulder surrounded by the wing-like varix.

<==Pterynotus Swainson 1833RA75 [=Pterymurex Rovereto 1899RA75; incl. Marchia Jousseaume 1880W94]
    |  i. s.: P. barclayi Reeve 1857WG71
    |         P. centrifugusC64
    |         P. festivusC64
    |         P. fulgens Houart 1988BC01
    |         P. martinetanus (Röding 1798)WBS-S15 [=Marchia martinetanaBW09]
    |         P. miyokoae Kosuge 1979C80
    |         P. phaneus (Dall 1889)A88
    |         P. pygmaeus (Bush 1893) [=Murex (Pteronotus) pygmaeus]MP65
    |--P. (Pterynotus)W94
    |    |--*P. (P.) pinnatus Swainson 1822W94 [=Murex pinnatus Swainson 1822RA75; incl. Purpura alata Röding 1798RA75]
    |    |--P. (P.) bednalli Brazier 1877W94 [=P. (Pterochelus) bednalliWG71]
    |    |--P. (P.) bipinnatus (Reeve 1845)W94
    |    |--P. (P.) elongatus (Lightfoot 1786)W94 [=Murex elongataRA75; incl. Murex clavus Kiener 1843RA75, *Marchia clavaRA75]
    |    |--P. (P.) loebbeckei (Kobelt 1879)W94 [=Murex (Pteronotus) loebbeckeiC80, M. (Pterynotus) loebeckii (l. c.)C80]
    |    |--P. (P.) patagiatus (Hedley 1912)W94
    |    `--P. (P.) tripterus (Born 1778)W94 [=Naquetia tripteraWG71, Pterynotus (Naquetia) tripterusWG71]
    `--P. (Pterochelus Jousseaume 1880)P61
         |--P. (*P.) acanthopterus (Lamarck 1816)P61, RA75 (see below for synonymy)
         |--P. (P.) akation Vokes 1993W94
         |--P. (P.) angasi Crosse 1863WG71 [=Murex (P.) angasiF27]
         |--P. (P.) duffusi (Iredale 1936)WG71
         |--P. (P.) eos (Hutton 1873)P61 [=Murex eosF27]
         |--P. (P.) triformis (Reeve 1845)WG71 [=Murex (P.) triformisF27]
         |--P. (P.) undosus Vokes 1993W94
         `--P. (P.) westralis Ponder & Wilson 1973W94

Pterynotus (*Pterochelus) acanthopterus (Lamarck 1816)P61, RA75 [=Murex acanthopterusRA75; incl. P. saibaiensis Melvill & Standen 1899W94]

*Type species of generic name indicated


[A88] Askew, T. M. 1988. A new species of pleurotomariid gastropod from the western Atlantic. Nautilus 102 (3): 89–91.

[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.

[BW09] Bryce, C., & C. Whisson. 2009. The macromolluscs of Mermaid (Rowley Shoals), Scott and Seringapatam Reefs, Western Australia. Records of the Western Australian Museum Supplement 77: 177–208.

[C64] Carpenter, P. P. 1864. Supplementary report on the present state of our knowledge with regard to the Mollusca of the west coast of North America. Report of the British Association for the Advancement of Science 33: 517–686.

[C80] Cernohorsky, W. O. 1980. The taxonomy of some Indo-Pacific Mollusca. Part 8. Records of the Auckland Institute and Museum 17: 135–152.

[F27] Finlay, H. J. 1927. A further commentary on New Zealand molluscan systematics. Transactions and Proceedings of the New Zealand Institute 57: 320–485.

[MP65] Merrill, A. S., & R. E. Petit. 1965. Mollusks new to South Carolina. Nautilus 79 (2): 58–66.

[P61] Powell, A. W. B. 1961. Shells of New Zealand: An illustrated handbook 4th ed. Whitcombe and Tombs Limited: Christchurch.

[RA75] Radwin, G. E., & A. D’Attilio. 1975. A catalogue of muricacean generic taxa. Transactions of the San Diego Society of Natural History 17 (20): 279–292.

[WBS-S15] Willan, R. C., C. Bryce & S. M. Slack-Smith. 2015. Kimberley marine biota. Historical data: molluscs. Records of the Western Australian Museum Supplement 84: 287–343.

[W94] Wilson, B. 1994. Australian Marine Shells vol. 2. Prosobranch Gastropods. Part Two (Neogastropods). Odyssey Publishing: Kallaroo (Western Australia).

[WG71] Wilson, B. R., & K. Gillett. 1971. Australian Shells: illustrating and describing 600 species of marine gastropods found in Australian waters. A. H. & A. W. Reed: Sydney.

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