Tritia reticulata ( Linnaeus, 1758 )

Bouchard, Blanche, Wesselingh, Frank P., Pouwer, Ronald & Landau, Bernard, 2025, The Gelasian gastropod fauna of Selsoif (Manche, France), Geodiversitas 47 (3), pp. 39-91 : 72

publication ID	https://doi.org/10.5252/geodiversitas2025v47a3
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DOI	https://doi.org/10.5281/zenodo.14823671
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scientific name	Tritia reticulata ( Linnaeus, 1758 )
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Tritia reticulata ( Linnaeus, 1758) View in CoL

( Fig. 12A View FIG 1-A View FIG 3 View FIG )

Buccinum reticulatum Linnaeus, 1758: 740 .

Nassa (Hinia) reticulata – Harmer 1925: 318, pl. 34, figs 1, 2.

Hinia (Hinia) reticulata View in CoL – Cuerda Barceló 1987: 295, pl. 27, fig. 19.

Nassarius reticulatus View in CoL – Landau et al. 2009: 29, pl. 5, figs 15-18, pl. 6, fig. 1, pl. 17, fig. 5. — Chirli & Linse 2011: 160, pl. 54, fig. 3. — Rijken & Pouwer 2014: 54, fig. 35. — Van Dingenen et al. 2015: pl. 8, fig. 1.

For more, see synonymy list in Landau et al. (2009) and Van Dingenen et al. (2015).

MATERIAL AND DIMENSIONS. — Maximum height 24.3 mm, width 12.3 mm. — RGM.1364925 (2), leg. WG ; RGM.1365204 (1), leg. ACJ ; RGM.1365007 (4), leg. ACJ ; RGM.1310337 (1), leg. AWJ ; RGM.1365111 (40), leg. AWJ .

SPECIES CHARACTERISATION. — Shell solid, bucciniform, with elevated conical spire. Protoconch not preserved. Teleoconch of five weakly convex whorls, separated by a shallowly impressed suture. Sculpture of low axial ribs overrun by strap-like cords swollen over the intersection giving surface reticulated appearance. Aperture pyriform; outer lip thickened by varix, denticulated within; columella bearing two folds abapically and parietal fold adapically; columellar callus thickened; parietal callus extended over venter forming parietal shield.

DISTRIBUTION. — Lower Pliocene: Atlantic, SE Spain (González-Delgado 1989; Landau et al. 2011); western Mediterranean, NE Spain ( Gili 1991), SE France ( Fontannes 1879, Cossmann 1901); central Mediterranean, Italy ( Bellardi 1882; Chirli 2000), Tunisia ( Fekih 1975). — Upper Pliocene: Atlantic, Portugal ( Zbyszewski 1959; Gili et al. 1995; Silva 2001); western Mediterranean, S Spain ( Landau et al. 2009); central Mediterranean, Italy ( Bellardi 1882; Malatesta 1974). — Upper Pliocene-Lower Pleistocene: Atlantic, NW France ( Van Dingenen et al. 2015). — Lower Pleistocene: Atlantic, Selsoif, NW France ( Van Dingenen et al. 2015); central Mediterranean, Italy ( Cerulli-Irelli 1911); eastern Mediterranean, Rhodes Island ( Chirli & Linse 2011). — Middle Pleistocene: Atlantic, Wexford Gravels, Irish Sea (Harmer 1916). — Pleistocene (indeterminate): Netherlands ( Rijken & Pouwer 2014). — Upper Pleistocene: western Mediterranean, Balearic Islands ( Cuerda Barceló 1987). — Holocene: NSB ( Strand Petersen 2004). Today, it occurs in the Atlantic and western Mediterranean ( Rolán & Luque 1994).

REMARKS

Within the Tritia reticulata species group (of Landau et al. 2009), T. nitida ( Jeffreys, 1867) differs in having a paucispiral protoconch of less than two whorls, T. reticulata has 2.75-3.25 whorls. Moreover, T. nitida has a slightly gradate spire, fewer axial ribs and stronger and more regular dentition within the outer lip. Specimens from Selsoif show the same variability in axial sculpture as seen in other populations. For further discussion see Landau et al. (2009: 30).

References

BELLARDI L. 1882. - I molluschi dei terrenii terziarii del Piemonte e della Liguria, 3. Gasteropoda (Buccinidae, Cyclopsidae, Purpuridae, Coralliophilidae, Olividae). Memorie della Reale Accademia delle Scienze di Torino 2 (34): 219-469.

CERULLI-IRELLI S. 1911. - Fauna malacologica mariana, 5. Cancellariidae, Marginellidae, Mitridae, Fusidae, Chrysodomidae, Buccinidae, Nassidae, Columbellidae, Muricidae, Tritonidae, Cassididae, Cypraeidae, Chenopodidae. Paleontographia Italica 17: 280 - 25.

CHIRLI C. 2000. - Malacofauna Pliocenica Toscana, 2 Superfamiglia Muricoidea. 142 p.

CHIRLI C. & LINSE U. 2011. - The Pleistocene Marine Gastropods of Rhodes Island (Greece). Verlag Documenta Naturae. 447 p.

CUERDA BARCELO J. 1987. - Moluscos marinos y salobres del pleistoceno Balear. Palma de Mallorca, Caja de Baleares ' Sa Nostra'.

FEKIH M. 1975. - Paleoecologie du Pliocene marin au nord de la Tunisie. Editions du Service geologique de Tunisie, 193 p.

FONTANNES F. 1879 - 1880. - Les invertebres du bassin tertiaire du sudest de la France: Les mollusques pliocenes de la vallee du Rhone et du Roussillon. Paris (Georg, Lyon & F. Savy): viii + 276 p., 12 pls (p. 1 - 76 published in 1879, remainder in 1880). https://doi.org/10.5962/bhl.title.13209

GILI C. V. 1991. - Els nassariidae (gastropoda, prosobranchia) del plioce de la mediterrania occidental. Universitat de Barcelona, 563 p. [unpublished].

GILI C. V., SILVA C. M. & MARTINELL J. 1995. - Pliocene Nassariids (Mollusca: Neogastropoda) of Central-West Portugal. Tertiary Research 15 (3): 95-110

JEFFREYS J. G. 1862 - 1869. - British Conchology. van Voorst, London, Vol. 1: pp. cxiv + 341 [1862]. Vol. 2: p. 479 [1864]. Vol. 3: p. 394 [1865]. Vol. 4: p. 487 [1867]. Vol. 5: p. 259 [1869].

LANDAU B., SILVA C. M. DA & GILI C. 2009. - The early Pliocene Gastropoda (Mollusca) of Estepona, southern Spain, 8. Nassariidae. Palaeontos 17: 1-101.

LANDAU B., SILVA C. M. DA & MAYORAL E. 2011. - The Lower Pliocene Gastropods of the Huelva Sands Formation, Guadalquivir Basin, southwestern Spain. Palaeo Publishing and Library vzw, Antwerpen, 90 p. (Palaeofocus; 4).

LINNAEUS C. 1758. - Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Editio decima, reformata [10 th revised edition], vol. 1. Laurentius Salvius: Holmiae, 824 p. https://doi.org/10.5962/bhl.title.37256

MALATESTA A. 1974. - Malacofauna pliocenica Umbra. Vol. 13. Memorie per servire alla descrizione della carta geologica d'Italia, Roma, 498 p.

RIJKEN R. & POUWER R. 2014. - De fossiele schelpen van de Nederlandse kust, (2) 7. Nassariidae. Spirula 397: 46-55.

ROLAN E. & LUQUE A. A. 1994. - Nassarius reticulatus (Linnaeus, 1758) and Nassarius nitidus (Jeffreys, 1867) (Gastropoda, Nassariidae), two valid species from the European seas. Iberus 2: 59-76.

SILVA C. M. 2001. - Gastropodes pliocenicos marinhos de Portugal: sistematica, paleoecologia, paleobiologia, paleogeografia. Lisboa. Faculdade de Ciencias da Universidade de Lisboa, 747 p. [unpublished]

STRAND PETERSEN K. 2004. - Late Quaternary environmental changes recorded in the Danish marine molluscan faunas. Geological Survey of Denmark and Greenland Bulletin 3: 1-196. https://doi.org/10.34194/geusb.v3.4698

VAN DINGENEN F., CEULEMANS L., M. LANDAU B. & MARQUES DA SILVA C. 2015. - The family Nassariidae (Gastropoda: Buccinoidea) from the late Neogene of northwestern France. Cainozoic Research 15 (1 - 2): 75-122.

ZBYSZEWSKI G. 1959. - Etude structurale de l'aire typhonique de Caldas da Rainha. Memoria Servicos Geologicos de Portugal 3: 1-182.

Figures

FIG. 12. — Gastropods from Selsoif. All illustrated specimens are collected from the Sablière du Grand Marais, Selsoif, France and come from the Early Pleistocene Saint-Nicolas de Pierrepont Formation (continuation): A, Tritia reticulata (Linnaeus, 1758), RGM.1310337, leg AWJ, H = 9.34 mm; B, Nucella lapillus (Linnaeus, 1758), RGM.1365267, leg AWJ, H = 7.3 mm; C, Nucella lapillus (Linnaeus, 1758), RGM.1365290, leg ACJ, H = 5.07 mm; D, Nucella lapillus (Linnaeus, 1758) RGM.1405529, leg R. van Slageren, H = 15.1 mm; E, Ocenebra cf. erinaceus (Linnaeus, 1758), RGM.1364928, leg WG, H = 5.74 mm; F, Mangelia sp., RGM.1365293, leg ACJ, H = 3.5 mm; G, Propebela aff. turricula (Montagu, 1803), RGM.1365291, leg AWJ, H = 4.14 mm; H, Cyrillia linearis (Montagu, 1803), RGM.1365215, leg ACJ, H = 5.8 mm. Scale bars: A-C, E, H, 2 mm; D, 5 mm; F, G, 1 mm.

FIG. 1. — Simplified geological map of the Normandy region (after Dugué et al. 2000 and Pareyn 1987) showing the location of Selsoif:1, Precambrian-Palaeozoic basement; 2, Permo-Mesozoic Paris Basin fill; 3, Neogene-Quaternary subbasins.