Kalloconus gallicus ( Mayer-Eymar, 1890 )

Harzhauser, Mathias & Landau, Bernard, 2016, A revision of the Neogene Conidae and Conorbidae (Gastropoda) of the Paratethys Sea, Zootaxa 4210 (1), pp. 1-178 : 60

publication ID

https://doi.org/ 10.11646/zootaxa.4210.1.1

publication LSID

lsid:zoobank.org:pub:D39416B8-CF85-440B-84C2-D4380BECC4E3

DOI

https://doi.org/10.5281/zenodo.5622314

persistent identifier

https://treatment.plazi.org/id/373F87D7-FFA4-FFB5-FF5F-AACCFD9E469C

treatment provided by

Plazi (2017-01-19 23:52:59, last updated 2024-11-28 19:06:04)

scientific name

Kalloconus gallicus ( Mayer-Eymar, 1890 )
status

 

Kalloconus gallicus ( Mayer-Eymar, 1890) View in CoL

Figs 3 K, 10A1–A6

Conus gallicus View in CoL May.-Eym.— Mayer-Eymar 1890: 295.

Conus gallicus View in CoL Mayer-Eymar—Mayer-Eymar 1891: 328, pl. 2, fig. 2. C. [onus] (Chelyconus) gallicus Mayer-Eymar, 1890 View in CoL — Caze et al. 2011: 173, fig. 2J.

Type material. Holotype, ETH Zurich ( Swiss Federal Institute of Technology in Zurich, German : Eidgenössische Technische Hochschule Zürich), inventory number S2776 (fide Hall 1966); Larriey-Saucats, France; early Miocene, Aquitanian.

Studied material. 1 spec. NHMW 2016 View Materials /0036/0001, Nemeşeşti ( Romania).

Illustrated material. Figs 10A View FIGURE 10 1 View FIGURE 1 –A6, 3K: Nemeşeşti ( Romania), SL: 50.1 mm, MD: 31.9 mm, NHMW 2016 View Materials / 0036/0001.

Revised description. Medium-sized shell; low conical spire with coeloconoid initial part; early spire whorls faintly striate, slightly concave; later whorls weakly convex; suture impressed. Subsutural flexure of medium depth, moderately curved, moderately asymmetrical. Narrow, rounded shoulder, coinciding with position of maximum diameter. Last whorl conical, straight sided with faint constriction at base. Aperture narrow with parallel margins; Siphonal canal short, nearly straight; siphonal fasciole very weak. Few wide-spaced spiral cords on base with weaker cords intercalating. Colour pattern on spire and last whorl consisting of irregular, strongly amalgamating dark blotches and few a light blotches.

Shell measurements and ratios. SL: 50.1 mm, MD: 31.9 mm, spire angle: 123°, last whorl angle: 37°, LW: 1.57, RD: 0.73, PMD: 0.90, RSH: 0.12.

Discussion. This species is characterised by the sloping last spire whorl, the narrow rounded shoulder and the narrow aperture. Nevertheless, the lack of any “extravagant” conchological features might raise doubts about the identification of the middle Miocene Paratethyan shell with an early to middle Miocene species from the northeastern Atlantic. Fortunately, the identification is supported by the unusual colour pattern, which was documented by Caze et al. (2011) also for an early Miocene specimen from the Aquitaine Basin.

Kalloconus tietzei ( Hoernes & Auinger, 1879) is broader, has a stronger siphonal fasciole, a wider anterior part of the aperture and differs in its colour pattern of spiral dashes. Some specimens of Kalloconus berghausi ( Michelotti, 1847) , as illustrated by Davoli (1972), develop a comparable outline but differ in their wider last whorl aside from the punctate colour pattern of K. berghausi . The occurrence of this species in the Pliocene of the Mediterranean Sea will need confirmation. The specimens from Asti ( Italy) described by Hall (1966) agree in shape but no information on colour patterns is available. Other Pliocene specimens described as Conus gallicus View in CoL by Muñiz-Solís (1999) and Paganelli (2014) are rather slender and have less sloping shoulders.

Distribution in Paratethys. Badenian (middle Miocene): Transylvanian Basin: Nemeşeşti ( Romania) (own data).

Proto-Mediterranean Sea and northeastern Atlantic. early Miocene (Aquitanian, Burdigalian): Aquitaine Basin: Larriey, Saucats, Merignac ( Mayer-Eymar 1890); Turin Hills: Termofourà (Italy) ( Hall 1966);? Pliocene: Po Basin: Asti (Italy) ( Hall 1966).

Caze, B., Merle, D., Saint Martin, J. - P. & Pacaud, J. - M. (2011) Contribution of residual colour patterns to the species characterization of Caenozoic molluscs (Gastropoda, Bivalvia). Comptes Rendus Palevol, 10, 171 - 179. http: // dx. doi. org / 10.1016 / j. crpv. 2010.10.005

Davoli, F. (1972) Conidae (Gastropoda). In: Montanaro, E. (Ed.), Studi monografici sulla malacologia miocenica modenense; Parte 1 - Molluschi tortoniani di Montegibbio. Palaeontographia Italica, 68 (n. s. 38), 51 - 143.

Hall, C. A., Jr. (1966) Middle Miocene Conus (class Gastropoda) from Piedmont, Northern Italy. Bollettino della Societa Paleontologica Italiana, 3, 111 - 171 (note that this volume was published in 1966 although 1966 is indicated on the paper).

Hoernes, R. & Auinger, M. (1879) Die Gasteropoden der Meeres-Ablagerungen der ersten und zweiten Miocanen Mediterran- Stufe in der Osterreichisch-Ungarischen Monarchie. Abhandlungen der Kaiserlich-Koniglichen Geologischen Reichsanstalt, 12, 1 - 52.

Mayer-Eymar, C. (1890) Diagnoses specierum novarum ex agris mollassicis seu neogenis, in Museo Turicensi conservatarum. Naturforschenden Gesellschaft, Zurich. Vierteljahrschrift, 35, 290 - 301.

Michelotti, G. (1847) Description des fossiles des terrains miocenes de l'Italie septentrionale. Ouvrage publie par la societe Hollandaise des Sciences, et accompagne d'un atlas de 17 planches. Natuurkundelige Verhandelingen van de Hollandsche Maatschappei van Wetenschappen te Haarlem, Ser. 2, 3 (2), 1 - 408.

Muniz-Solis R. (1999) El genero Conus L., 1758 (Gastropoda, Neogastropoda) del Plioceno de Estepona (Malaga, Espana). Iberus 17 (1), 31 - 90.

Panganelli, G. (2014). Fossil Conus from Italian Piacenzian Pliocene. The Cone Collector, 24, 29 - 39.

Gallery Image

FIGURE 1. Map of central and south – eastern Europe showing the geographic position of selected localities with rich Conidae diversities (modified from Kováč et al. 2007). 1: Korytnica (Poland), 2: Podhorce, Zukowce, Biłka, Tarnopol (Ukraine), 3: Grund, Guntersdorf, Immendorf (Austria), 4: Steinebrunn (Austria), Mikulov (Czech Republic), 5: Gainfarn, Enzesfeld, Baden, Bad Vöslau, Baden-Sooß (Austria), 6: Ritzing (Austria), 7: Weitendorf, Pöls (Austria), 8: Letkés, Szob (Hungary), 9: Borsodbóta (Hungary), 10: Várpalota (Hungary), 11: Hidas (Hungary), 12: Coşteiu de Sus, Lăpugiu de Sus (Romania).

Gallery Image

FIGURE 10 A 1 – A 6. Kalloconus gallicus (Mayer-Eymar, 1890), Nemeşeşti (Romania), NHMW 2016 / 0036 / 0001. 10 B 1 – B 3. Kalloconus hungaricus (Hoernes & Auinger, 1879), Coşteiu de Sus (Romania), NHMW 1867 / 0029 / 0004. 10 C 1 – C 3. Kalloconus hungaricus (Hoernes & Auinger, 1879), Bad Vöslau (Austria), NHMW 1851 / 0013 / 0018. 10 D 1 – D 2. Kalloconus hungaricus (Hoernes & Auinger, 1879), Bad Vöslau, NHMW 2010 / 0004 / 1578. 10 E 1 – E 3. Kalloconus letkesensis nov. sp., Letkés (Hungary), NHMW 2016 / 0006 / 0001, holotype. 10 F 1 – F 4. Kalloconus letkesensis nov. sp., Letkés (Hungary), NHMW 2016 / 0006 / 0002, paratype. 10 G 1 – G 4. Kalloconus letkesensis nov. sp., Letkés (Hungary), private collection Anton Breitenberger. 10 H 1 – H 3. Kalloconus letkesensis nov. sp., Letkés (Hungary), private collection Anton Breitenberger.

ETH

Kultursammlungen der Eidgenosische Technische Hochschule

NHMW

Naturhistorisches Museum, Wien

Kingdom

Animalia

Phylum

Mollusca

Class

Gastropoda

Order

Neogastropoda

Family

Conidae

Genus

Kalloconus