Prunum sapotilla, from here.

Belongs within: Neogastropoda.
Contains: Marginellini.

The Marginellidae, margin shells, are a group of small neogastropods with a thickened lip to the shell and lacking an operculum. Members of the subfamily Marginelloninae are generally larger than Marginellinae and have a distinctive short radula bearing broad rachidian teeth with a large number of cusps. The Granulininae have cylindrical shells without an external spire. Marginellinae are characterised by the morphology of the gland of Leiblein which has a long, convoluted duct and ends in a terminal bulb. Members of the genus Prunum have a relatively large shell with a strong callus.

Marginellidae [Marginelladae, Marginelloidea, Rhachiglossidae]
    |--Marginellona Martens 1904 [Marginelloninae] BR05
    |    `--*M. gigas (Martens 1904) [=Marginella gigas] BR17
    |--Granulina Jousseaume 1888 BR05 [Granulinidae, Granulininae BR17]
    |    |--‘Marginella’ isseli Nevill & Nevill 1875 [=M. pygmaea Issel 1869 non Sowerby 1846, *Granulina pygmaea] BR17
    |    |--G. fernandesi Boyer & Rolán 1999 BC01
    |    |--G. ocarina Fernandes 1987 BC01
    |    `--G. ovuliformis (Orbigny 1841) D88
    `--Marginellinae BR05
         |--Marginellini BR05
         |--Austroginella Laseron 1957 [Austroginellini] BR05
         |    `--*A. muscaria (Lamarck 1822) [=Marginella muscaria] BR17
         `--Prunum Herrmannsen 1852 BR17 [Prunini BR05]
              |--*P. prunum (Gmelin 1791) [=Voluta prunum] BR17
              |--P. martini (Petit 1853) S11
              |--P. poulosi Lipe 1996 BC01
              `--P. sapotilla (Hinds 1844) [incl. Marginella evax Li 1930] BC01

Marginellidae incertae sedis:
  Cryptospira Hinds 1844 F26
  Gibberula Swainson 1840 BC01
    |--G. albotriangularis Rolán & Fernandes 1997 BC01
    |--G. aldridgei (Usticke 1969) [=Persicula aldridgei] BC01
    |--G. charbarensis (Melvill 1897) [=Marginella (Gibberula) charbarensis] BC01
    |--G. decorfasciata Rolán & Fernandes 1997 BC01
    |--G. pulchella (Kiener 1830) MG-H11
    `--G. rauli Fernandes 1987 BC01
  Mesomarginella valei Powell 1932 HS01
  Granula BR05
    |--G. achenea Roth & Coan 1971 BC01
    `--G. insularum Roth & Coan 1971 BC01
  Cypraeolina Cerulli-Irelli 1911 O27
    `--C. pyriformis (Carpenter 1865) [=Volutella pyriformis] O27
  Closia Gray 1857 P61
    |--*C. sarda [=Marginella sarda] P61
    |--C. maoria Powell 1937 P61
    `--C. profunda (Suter 1909) P61
  Rivomarginella G88
  Dentimargo calvertensis (Martin 1904) P12
  Volutella margaritula C64

*Type species of generic name indicated


[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.

[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.

[D88] D’Asaro, C. N. 1988. Micromorphology of neogastropod egg capsules. Nautilus 102 (4): 134–148.

[F26] Finlay, H. J. 1926. A further commentary on New Zealand molluscan systematics. Transactions and Proceedings of the New Zealand Institute 57: 320–485.

[G88] Gray, J. 1988. Evolution of the freshwater ecosystem: the fossil record. Palaeogeography, Palaeoclimatology, Palaeoecology 62: 1–214.

[HS01] Hayward, B. W., A. B. Stephenson, M. S. Morley, W. M. Blom, H. R. Grenfell, F. J. Brook, J. L. Riley, F. Thompson & J. J. Hayward. 2001. Marine biota of Parengarenga Harbour, Northland, New Zealand. Records of the Auckland Museum 37: 45–80.

[MG-H11] McEnnulty, F. R., K. L. Gowlett-Holmes, A. Williams, F. Althaus, J. Fromont, G. C. B. Poore, T. D. O’Hara, L. Marsh, P. Kott, S. Slack-Smith, P. Alderslade & M. V. Kitahara. 2011. The deepwater megabenthic invertebrates on the western continental margin of Australia (100–1100 m depths): composition, distribution and novelty. Records of the Western Australian Museum Supplement 80: 1–191.

[O27] Oldroyd, I. S. 1927. The Marine Shells of the West Coast of North America vol. 2 pt 1. Stanford University Press: Stanford University (California).

[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.

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

[S11] Simone, L. R. L. 2011. Phylogeny of the Caenogastropoda (Mollusca), based on comparative morphology. Arquivos de Zoologia 42 (4): 161–323.

Last updated: 24 February 2022.

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