Belongs within: Muricidae.
Muricopsis is a genus of murexes with a scaly surface on the shell (Wilson 1994).
Characters (Wilson 1994): Small, fusiform, high-spired, whorls more or less shouldered; protoconch small, about 1.5 convex whorls tipped asymmetrically; aperture ovate to lenticular, outer lip denticulate along its inner side; columella denticulate or pustulose anteriorly; five to eight simple varices per whorl, bearing short to long scaly spines; surface finely spirally corded and scaly; operculum ovate, nucleus terminal, lateral areas thickened.
<==Muricopsis Bucquoy & Dautzenberg 1882BR05 [=Jania Cossmann 1892 non Lamouroux 1812 (ICBN)RD75]
|--M. (Muricopsis)F27
| |--*M. (M.) blainvillii (Payraudeau 1826)BR17 [=Murex blainvilliiBR17, *Jania blainvilleiRD75]
| `--M. (M.) graniformis (Harris 1897) (see below for synonymy)F27
`--M. (Risomurex Olsson & McGinty 1958)BC01, RD75
|--‘*Risomurex’ schrammi (Crosse 1863) [=Engina schrammi]RD75
|--M. (R.) matildae Rolán & Fernandes 1991BC01
`--M. (R.) rutilusBC01
|--M. r. rutilusBC01
`--M. r. mariangelae Rolán & Fernandes 1991BC01
Muricopsis incertae sedis:
M. bombayanusC80
M. corallinus (Melvill & Standen 1903) (see below for synonymy)C80
M. cuspidatus (Sowerby 1879)W94
M. diamantina Houart 1991W94
M. exhexagonus Vredenburg 1825 [=Fusus hexagonus Sowerby 1839 non Murex hexagonus]F27
M. hexagonus [=Murex hexagonus]F27
M. ianlochi (Houart 1986)W94
M. jaliscoensis Radwin & D’Attilio 1970BC01
M. planilirata (Reeve 1845) (see below for synonymy)W94
M. purpurispina Ponder 1972W94
M. skoglundae Myers, Hertz & D’Attilio 1993BC01
M. sunderlandi Petuch 1987BC01
M. tulensis Radwin & D’Attilio 1976BC01
M. umbilicatus (Tenison Woods 1876) [incl. M. angasi Tryon 1880, M. scalaris Adams 1854]W94
M. westonensis Myers & D’Attilio 1990BC01
Muricopsis corallinus (Melvill & Standen 1903) [=Peristernia corallina; incl. M. martini Fischer in Wanner 1927, Janiopsis martini, Nassaria mordica Hedley 1909]C80
Muricopsis planilirata (Reeve 1845) [=Favartia planilirata, Murexsul planilirata; incl. Muricopsis fimbriatus Lamarck 1822, Muri. pallidus Menke 1843, Muri. polypleurus Brazier 1894, Muri. pumilus Angas 1865]W94
Muricopsis (Muricopsis) graniformis (Harris 1897) [=Murex (M.) graniformis, Murex (Ocinebra) alveolatus Tate 1888 non Sowerby 1823, Muricopsis subalveolatus Cossmann 1907]F27
*Type species of generic name indicated
References
[BR05] Bouchet, P., & J.-P. Rocroi. 2005. Classification and nomenclator of gastropod families. Malacologia 47 (1–2): 1–397.
[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.
[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. New specific names for austral Mollusca. Transactions and Proceedings of the New Zealand Institute 57: 488–533.
[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).