Trigonostoma

Trigonostoma milleri, copyright Shellnut.

Belongs within: Volutoidea.

Trigonostoma is a genus of small to medium-sized nutmeg snails with turreted whorls that are strongly constricted basally.

<==Trigonostoma Blainville 1825 BR17 (see below for synonymy)
    |--T. scalare (Gmelin 1791) (see below for synonymy) PH90
    |--T. ampullaceum (Brocchi 1814) (see below for synonymy) PH90
    |--T. andaluciensis Landau 1984 PH90
    |--T. atjehense Oostingh 1938 PH90
    |--T. aurorae Palmer 1937 PH90
    |--T. bantamense Oostingh 1938 PH90
    |--T. barnardi Janssen 1984 PH90
    |--T. beatum Pilsbry & Harbison 1933 PH90
    |--T. benoisti Peyrot 1928 PH90
    |--T. betsiae Olsson & Petit 1964 PH90
    |--T. birmanicum Vredenburg 1921 PH90
    |--T. boettgeri (Cossmann 1915) (see below for synonymy) PH90
    |--T. bonneti Cossmann 1903 PH90
    |--T. boreobsoleta Kautsky 1925 PH90
    |--T. calais Kautsky 1925 PH90
    |--T. campbelli Shasky 1961 PH90
    |--T. cassideum (Brocchi 1814) [=Voluta cassidea] PH90
    |--T. christiei Finlay 1924 PH90
    |--T. chui Yen 1936 PH90
    |--T. costifera (Sowerby 1832) [=Cancellaria costifera, T. costigera (l. c.)] PH90
    |--T. diamantina Garrard 1975 PH90
    |--T. dingdense (Anderson 1964) [=Pseudomalaxis dingdensis] PH90
    |--T. druidi Olsson & Petit 1964 PH90
    |--T. ecuadoriana Pilsbry & Olsson 1941 PH90
    |--T. elegantula Smith 1947 PH90
    |--T. elizabethae Olsson & Petit 1964 PH90
    |--T. foveolata (Sowerby 1848) POH88
    |--T. geslini [incl. T. geslini var. lateapertum Peyrot 1928] PH90
    |    |--T. g. geslini PH90
    |    `--T. g. josephinae Janssen 1984 PH90
    |--T. harrisi Palmer 1937 PH90
    |--T. helenae Olsson & Petit 1964 PH90
    |--T. hoerlei Olsson 1967 PH90
    |--T. indicum Vredenburg 1925 PH90
    |--T. iota Garrard 1975 PH90
    |--T. kurodai Makiyama 1927 PH90
    |--T. lindeni Janssen 1984 PH90
    |--T. marthae Olsson 1967 PH90
    |--T. milleri Burch 1949 PH90
    |--T. mistense Janssen 1984 PH90
    |--T. mucronatum Peyrot 1928 PH90
    |--T. oligolongum (Sacco 1894) (see below for synonymy) PH90
    |--T. pakistanicum Eames 1952 PH90
    |--T. planasuturata Richards & Harbison 1942 PH90
    |--T. pouwi Janssen 1984 PH90
    |--T. pseudumbilicare Peyrot 1928 PH90
    |--T. pulcherrima [incl. T. pulcherrima var. chavani Palmer 1937] PH90
    |--T. sabinetownensis Le Blanc 1942 PH90
    |--T. sacellum Petit 1976 PH90
    |--T. selectum Palmer 1947 PH90
    |--T. senarium Petit & Hoerle 1976 PH90
    |--T. sericea C60
    |--T. smithfieldensis Oleksyshyn 1960 PH90
    |--T. speciosum Vredenburg 1921 PH90
    |--T. spinifera [=T. psinifera (l. c.); incl. T. spinifera var. pluricostata Kautsky 1925] PH90
    |--T. tampaensis Petit 1967 [=Cancellaria depressa Dall 1915 non Tuomey & Holmes 1856] PH90
    |--T. tegalense Oostingh 1938 PH90
    |--T. tenerum (Philippi 1848) S11 (see below for synonymy)
    |--T. tesselata Garrard 1975 S11
    |--T. thisbe Olsson 1964 PH90
    |--T. thysthlon Petit & Harasewych 1987 PH90
    |--T. triumpha Olsson 1964 PH90
    |--‘Voluta’ umbilicaris Brocchi 1814 [=Ventrilia umbilicaris] PH90
    |--T. waikaiensis Finlay 1924 PH90
    |--T. wattebledi Peyrot 1928 PH90
    |--T. woodringi Jung 1965 PH90
    `--T. zetes Kautsky 1925 PH90

Nomen nudum: Trigonostoma dertumbilicatior Sacco in Ferrero Mortara 1984 PH90

Trigonostoma Blainville 1827 BD12 [incl. Emmonsella Olsson & Petit 1964 PH90, Trigona Perry 1811 non Jurine 1807 PH90, Ventrilia Jousseaume 1887 PH90; Trigonostomatinae, Trigonostominae]

Trigonostoma ampullaceum (Brocchi 1814) [=Voluta ampullacea, Cancellaria ampulla (l. c.), C. ampullaceum; incl. C. ampullaceum var. acosticillata Sacco 1894, C. ampullaceum var. anglica Sacco 1894, T. ampullacea bellardii Venzo & Pelosio 1963 non T. bellardii de Stefani & Pantanelli 1878, C. ampullacea var. parvocrassa Sacco 1894, C. ampullacea var. scabroides Sacco 1894, C. ampullacea var. taurinia Bellardi 1841 nec C. varricosa var. taurinia Bellardi 1841 nec C. lyrata var. taurinia Bellardi 1841 nec C. uniangulata var. taurinia Bellardi 1841 nec C. nodulosa var. taurinia Bellardi 1841 nec C. bonelli var. taurinia Bellardi 1841 nec C. evulsa var. taurinia Bellardi 1841 nec C. cancellata var. taurinia Bellardi 1841 nec C. contorta var. taurinia Bellardi 1841, C. ampullacea var. tauroparvula Sacco 1894 non C. westiana var. tauroparvula Sacco 1894, C. ampullacea var. tauropercostata Sacco 1894, C. ampullacea var. turritior Sacco 1894] PH90

Trigonostoma boettgeri (Cossmann 1915) [=Pseudomalaxis boettgeri, Discohelix calculiformis Boettger 1906 non Dunker 1847] PH90

Trigonostoma oligolongum (Sacco 1894) [=Cancellaria (Trigonostoma) oligolongum; incl. C. oligolongum var. aequivaricosa Sacco 1894] PH90

Trigonostoma scalare (Gmelin 1791) [=Buccinum scalare; incl. *Trigona pellucida Perry 1811, Delphinula trigonostoma Lamarck 1822, *Trigonostoma trigonostoma] PH90

Trigonostoma tenerum (Philippi 1848) S11 [=Cancellaria tenera PH90, *Emmonsella tenera PH90; incl. Cancellaria stimpsonii Calkins 1878 PH90, *Ventrilia ventrilia Jousseaume 1887 PH90]

*Type species of generic name indicated

REFERENCES

[BD12] Bandel, K., & D. T. Dockery III. 2012. Protoconch characters of Late Cretaceous Latrogastropoda (Neogastropoda and Neomesogastropoda) as an aid in the reconstruction of the phylogeny of the Neogastropoda. Freiberger Forschungshefte C542 (psf 20): 93–128.

[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.

[C60] Cox, L. R. 1960. Gastropoda: general characteristics of Gastropoda. 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. I84–I169. Geological Society of America, and University of Kansas Press.

[POH88] Pawlik, J. R., J. B. O’Sullivan & M. G. Harasewych. 1988. The egg capsules, embryos, and larvae of Cancellaria cooperi (Gastropoda: Cancellariidae). Nautilus 102 (2): 47–53.

[PH90] Petit, R. E., & M. G. Harasewych. 1990. Catalogue of the superfamily Cancellarioidea Forbes and Hanley, 1851 (Gastropoda: Prosobranchia). Nautilus 103 (Suppl. 1): 1–69.

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