Scissurellidae

Scissurella laevigata, from Vayssière 1894.

Belongs within: Vetigastropoda.

The Scissurellidae are a group of marine gastropods bearing a trochoid shell that usually has a slit present above the periphery (Zelaya & Geiger 2007).

Characters (from Zelaya & Geiger 2007): Shell 0.6–3 mm, trochoid, more or less depressed; protoconch sculpture variable; slit above periphery, open, closed or absent; radula with lateral tooth 5 enlarged by broadening.

<==Scissurellidae [Scissurellina, Scissurellinae]
    |--Sukashitrochus BR05
    |--Satondella tabulata Watson 1886 ZG07
    |--Temnozaga parilis McLean 1989 ZG07
    |--Scissurona Iredale 1924 P61
    |    `--*S. rosea (Hedley 1904) P61 [=Scissurella rosea P61, Incisura (*Scissurona) rosea KC60]
    |--Depressizona Geiger 2003 [Depressizonidae, Depressizoninae] BR05
    |    `--*D. exorum Geiger 2003 BR17
    |--Ariella Bandel 1998 non Gilbert 1941 (ICBN) ZG07
    |    |--*A. haliotimorpha Bandel 1998 ZG07
    |    `--A. subantarctica (Hedley 1916) [=Schismope subantarctica, Sinezona subantarctica] ZG07
    |--Sinezona Finlay 1926 ZG07
    |    |--*S. brevis (Hedley 1904) ZG07 [=Schismope brevis ZG07, Scissurella brevis P61]
    |    |--S. cingulata Costa 1861 ZG07
    |    |--S. confusa Rolán & Luque 1994 ZG07
    |    |--S. laevigata (Iredale 1908) P61 [=Schismope brevis laevigata F27]
    |    |--S. mouchezi (Vélain 1876) [=Schismope mouchezi] ZG07
    |    |--S. pauperata Powell 1933 P61
    |    |--S. plicata ZG07
    |    |--S. redferni Rolán 1996 BC01
    |    `--S. rimuloides Carpenter 1865 ZG07
    |--Schismope Jeffreys 1856 P61
    |    |--*S. cingulata [=Scissurella cingulata] P61
    |    |--S. atkinsoni (Ten.-Woods 1877) [=Scissurella atkinsoni] H09
    |    |--S. beddomei F27
    |    |--S. caliana Dall 1919 O27
    |    |--S. carinata F27
    |    |--S. iota Finlay 1927 P61
    |    |--S. lacuniformis F27
    |    |--S. laqueus Finlay 1927 P61
    |    |--S. lyallensis Finlay 1927 P61
    |    |--S. rimuloides Carpenter 1865 O27
    |    `--S. tasmanica Petterd 1879 P79
    `--Scissurella d’Orbigny 1824 ZG07 [incl. Woodwardia Crosse & Fischer 1861 KC60]
         |--*S. laevigata d’Orbigny 1824 BR17
         |--S. annulata Ravn 1933 TTE93
         |--S. bountyensis Powell 1933 P61
         |--S. chiricova Dall 1919 O27
         |--S. clathrata Strebel 1908 (see below for synonymy) ZG07
         |--S. costata d’Orbigny 1824 ZG07
         |--S. dalli Bartsch 1903 (n. d.) [=Schizotrochus dalli] ZG07
         |--S. fairchildi Powell 1933 P61
         |--S. georgica Davolos & Moolenbeek 2005 ZG07
         |--S. kaiserae Geiger 2006 ZG07
         |--S. kelseyi Dall 1905 O27
         |--S. malvinarum Zelaya & Geiger 2007 ZG07
         |--S. manawatawhia Powell 1937 P61
         |--S. obliqua Watson 1886 [=Incisura obliqua, Scissurona obliqua] ZG07
         |--S. petermannensis Lamy 1910 (see below for synonymy) ZG07
         |--S. prendrevillei Powell 1933 P61
         |--S. rimuloides C64
         |--S. staminea (Adams 1862) ZG07
         |--S. stellae Flenming 1948 P61
         `--S. supraplicata Smith 1875 [=Schizotrochus supraplicata, Sch. supraplicatus] ZG07

Scissurella clathrata Strebel 1908 [=Anatoma clathrata, Schizotrochus clathrata; incl. Sci. eucharista Melvill & Standen 1912, Sch. eucharista] ZG07

Scissurella petermannensis Lamy 1910 [=Schizotrochus petermanensis; incl. Sci. medioplicata Thiele 1925, Sci. timora Melvill & Standen 1912, Schizotrochus timora] ZG07

*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.

[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.

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

[H09] Hedley, C. 1909. The Marine Fauna of Queensland: Address by the President of Section D. Australasian Association for the Advancement of Science: Brisbane.

[KC60] Knight, J. B., L. R. Cox, A. M. Keen, R. L. Batten, E. L. Yochelson & R. Robertson. 1960. Gastropoda: systematic descriptions. In: Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt I. Mollusca 1: Mollusca—General Features, Scaphopoda, Amphineura, Monoplacophora, Gastropoda—General Features, Archaeogastropoda and some (mainly Paleozoic) Caenogastropoda and Opisthobranchia pp. I169–I331. Geological Society of America, and University of Kansas Press.

[O27] Oldroyd, I. S. 1927. The Marine Shells of the West Coast of North America vol. 2 pt 3. Stanford University Press: Stanford University (California).

[P79] Petterd, W. F. 1879. New species of Tasmanian marine shells. Journal of Conchology 2: 102–105.

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

[TTE93] Tracey, S., J. A. Todd & D. H. Erwin. 1993. Mollusca: Gastropoda. In: Benton, M. J. (ed.) The Fossil Record 2 pp. 131–167. Chapman & Hall: London.

[ZG07] Zelaya, D. G., & D. L. Geiger. 2007. Species of Scissurellidae and Anatomidae from sub-Antarctic and Antarctic waters (Gastropoda: Vetigastropoda). Malacologia 49 (2): 393–443.