Belongs within: Muricidae.
Murexiella is a genus of murexes in which the shell bears multiple more or less flanged varices.
Characters (Wilson 1994): Small to medium-size, fusiform; outer lip usually without denticles on inner side; aperture subcircular, anal sulcus obsolete; anterior canal short, closed or narrowly open, upturned at end; body whorl scaly with four to eight varices, flanged or with spines connected basally by laminate webbing; operculum with wide, unthickened lateral areas.
<==Murexiella Clench & Pérez Farfante 1945BC01 [incl. Minnimurex Woolacott 1957W94]
| i. s.: M. humilis (Broderip 1833)BC01 [incl. M. keenae Vokes 1970BC01, Favartia (Murexiella) keenaeDM88]
| M. peregrina Olivera 1980BC01
| M. shilohensis (Heilprin 1887)P12
|--M. (Murexiella)W94
| |--*M. (M.) hidalgoi (Crosse 1869) [=Murex hidalgoi, Favartia (*M.) hidalgoi]DM88
| |--M. (M.) bojadorensis (Locard 1897) [=Favartia (M.) bojadorensis]DB80
| |--M. (M.) brazieri (Angas 1877)W94
| |--M. (M.) diomedaea (Dall 1908) [=Favartia (M.) diomedaea]DB80
| |--M. (M.) iredalei (Ponder 1972)W94
| |--M. (M.) lappa (Broderip 1833) [=Favartia (M.) lappa]DM88
| |--M. (M.) leonae (D’Attilio & Myers 1985) [=Favartia (M.) leonae]BC01
| |--M. (M.) mactanensis Emerson & D’Attilio 1979BC01 [=Favartia (M.) mactanensisDB80]
| |--M. (M.) martini (Shikama 1977) [=Favartia (M.) martini]DB80
| |--M. (M.) paulskoglundi (Hertz & Myers 1998) [=Favartia (M.) paulskoglundi]BC01
| |--M. (M.) peasei Tryon 1880W94
| |--M. (M.) phantom (Woolacott 1957)W94 [=*Minnimurex phantomRD75]
| |--M. (M.) radwini Emerson & D’Attilio 1970BC01 [=Favartia (M.) radwiniDB80]
| |--M. (M.) rosamiae (D’Attilio & Myers 1985) [=Favartia (M.) rosamiae]BC01
| |--M. (M.) shaskyi (D’Attilio & Myers 1988) [=Favartia (M.) shaskyi]DM88
| |--M. (M.) striasquamosa (Ponder 1972)W94
| |--M. (M.) tatei (Verco 1895)W94
| |--M. (M.) vittata (Broderip 1833) [=Favartia (M.) vittata]DM88
| `--M. (M.) voorwindei (Ponder 1972)W94
`--M. (Subpterynotus Olsson & Harbison 1953)W94
`--M. (*S.) ‘textilis’ (Gabb 1873)W94, RD75 [=Murex textilis non Brocchi 1814RD75]
*Type species of generic name indicated
References
[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.
[DB80] D’Attilio, A., & H. Bertsch. 1980. Four species of Pterynotus and Favartia (Mollusca: Gastropoda: Muricidae) from the Philippine Islands. Transactions of the San Diego Society of Natural History 19 (12): 169–179.
[DM88] D’Attilio, A., & B. W. Myers. 1988. A new species of Favartia from the eastern Pacific (Gastropoda: Muricidae). Nautilus 102 (3): 106–109.
[P12] Petuch, E. J. 2012. Miocene asteroid impacts: proposed effects on the biogeography and extinction patterns of eastern North American gastropods. In: Talent, J. A. (ed.) Earth and Life: Global biodiversity, extinction intervals and biogeographic perturbations through time pp. 967–981. Springer.
[RD75] 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.
[W94] Wilson, B. 1994. Australian Marine Shells vol. 2. Prosobranch Gastropods. Part Two (Neogastropods). Odyssey Publishing: Kallaroo (Western Australia).