Mitrella complanata (Sacco, 1890)

Harzhauser, Mathias & Landau, Bernard M., 2021, The Columbellidae (Gastropoda, Buccinoidea) in the Miocene Paratethys Sea — striking diversity of a negelected group, Zootaxa 5025 (1), pp. 1-75: 32-33

publication ID

https://doi.org/10.11646/zootaxa.5025.1.1

publication LSID

lsid:zoobank.org:pub:35E6C8FA-4078-4C53-9B74-F9618D5E6E60

persistent identifier

http://treatment.plazi.org/id/256F7D50-E274-FFC0-ACD6-32D3FBD4B709

treatment provided by

Plazi

scientific name

Mitrella complanata (Sacco, 1890)
status

 

Mitrella complanata (Sacco, 1890)  

Figs 11A 1 –A 2, B 1 –B 2, C 1 –C 2

Columbella semicaudata Bon.   —Hörnes 1852: 117, pl. 11, fig. 10 [non Bellardi, 1848].

Columbella (Mitrella) semicaudata Bon.   — Hoernes & Auinger 1880: 95 [non Bellardi, 1848].

* Columbella (Mitrella) complanata Bell.   — Sacco 1890b: 36, pl. 2, fig. 29 [non Bellardi, 1848].

Columbella (Mitrella) semicaudata Bon.   — Boettger 1902: 16 [non Bellardi, 1848].

[ Columbella   ] Mitrella complanata Bell. var. angustolonga Sacc.   —Sacco 1904: 93, pl. 19, fig. 49.

[ Columbella   ] Mitrella complanata Bell. var. acutelongiuscula Sacc.   —Sacco 1904: 93, pl. 19, fig. 50.

Columbella (Mitrella) semicaudata Bon.   — Friedberg 1911: 36, pl. 2, fig. 2 [non Bellardi, 1848].

Columbella semicaudata Bon.   — Friedberg 1938: 128 [non Bellardi, 1848].

Mitrella semicaudata Bon.   — Sieber 1953: 187 [non Bellardi, 1848].

Pyrene (Mitrella) semicaudata Bon.   — Csepreghy-Meznerics 1956: 403, pl. 7, figs 16–17 [non Bellardi, 1848].

M.[itrella]. (M [itrella].) semicaudata (Bon.)   — Sieber 1958a: 147 [non Bellardi, 1848].

Mitrella   (M [itrella].) semicaudata (Bon.)   — Sieber 1958b: 148 [non Bellardi, 1848].

Columbella (Mitrella) semicaudata Bonelli   — Strausz 1962: 104, pl. 42, figs 23–24 [non Bellardi, 1848].

Mitrella semicaudata Bonelli 1825   — Zelinskaya 1968: 207, pl. 48, figs 17–18 [non Bellardi, 1848].

Columbella (Mitrella) semicaudata Bonelli   (in Bellardi), 1849— Strausz 1966: 290, pl. 42, figs 23–24 [non Bellardi, 1848]. Columbella (Alia) semicaudata Bonn   — Atanacković 1969: 207, pl. 11, figs 5–5a [non Bellardi, 1848].

Columbella (Mitrella) complanata Bellardi, 1890   — Ferrero Mortara et al. 1981: 179, pl. 56, fig. 5.

[ Columbella (Mitrella) complanata Bell.   ] var. angustolonga Sacco, 1890   — Ferrero Mortara et al. 1981: 179.

[ Columbella (Mitrella) complanata Bell.   ] var. acutelongiuscula Sacc.   — Ferrero Mortara et al. 1981: 179.

Mitrella (Mitrella) semicaudata (Bonelli, 1849)   — Atanacković 1985; 142, pl. 32, figs 3–4 [non Bellardi, 1848].

? Mitrella (Mitrella) semicaudata Bonelli, 1825   — Iljina 1993: 98, pl. 13, fig. 7 [non Bellardi, 1848].

Type material. Lectotype (designated herein): BS.022.01.014, Museo Regionale di Scienze Naturali , Torino , Tortonian, Stazzano ( Italy), illustrated in Ferrero Mortara et al. 1981: 180, pl. 56, fig. 11.  

Illustrated material. NHMW 1846/0037/0156, SL: 22.9 mm, MD: 8.7 mm, Gainfarn ( Austria), illustrated in Hörnes (1852, pl. 11, fig. 10), Figs 11A 1 –A 2. NHMW 1846/0037/0156a, SL: 16.3 mm, MD: 6.3 mm, Gainfarn ( Austria), Figs 11B 1 –B 2. NHMW 2020/0164/0001, SL: 16.1 mm, MD: 7.0 mm, Gainfarn ( Austria), Figs 11C 1 –C 2.

Additional material. NHMW1855 View Materials /0055/0043, 18 spec., Steinebrunn ( Austria)   ; NHMW2020 View Materials /0169/0002 (ex B. Landau coll.), 3 spec., Szob ( Hungary)   .

Revised description (based on Paratethyan material). Shell large, solid, moderately broad biconic, with narrow, weakly-incised suture. Protoconch unknown. Teleoconch of at least eight whorls. Spire nearly flat-sided. Last whorl high, moderately convex to subcylindrical, weakly contracting at base. Shell surface smooth except for prominent spiral cords on abapical portion of base and siphonal fasciole. Aperture narrow. Outer lip moderately thickened with about seven prominent, elongated denticles within. Anal canal incised, V-shaped. Siphonal canal short, narrow with deeply notched tip. Columellar callus forming broad rim, detached from base, with four denticles. Parietal callus weak, thin, adherent. Apex decollate in all available specimens.

Shell measurements and ratios. SL: 16.1–22.9 mm, MD: 6.1–8.7 mm, AA: 32–36°, SL/MD: 2.8–2.9, AL/AW: 3.5–3.9, LWH/AH: 1.3–1.4.

Discussion. Since Hörnes (1852) the Paratethyan specimens have been identified by all authors as Mitrella semicaudata ( Bellardi, 1848)   , a species originally described from the Italian Pliocene. Mitrella semicaudata   , however, differs in its higher spire, convex spire whorls, narrower columellar callus and well-preserved apex (see Ferrero Mortara et al. 1981, pl. 56, figs 11a–b; Chirli, 2002, pl. 5, figs 7–11). The Paratethyan specimens agree fully with the syntype of Mitrella complanata (Sacco, 1890)   (see Ferrero Mortara, pl. 56, fig. 5), originally described from the upper Miocene Tortonian of Italy, which is characterised by its bullet-shaped outline, subcylindrical last whorl, narrowly incised suture and flat-sided whorls, broad columellar callus and decollate apex. Mitrella erythrostoma (Sacco, 1890)   , from the Pliocene of Italy, differs in its more convex whorls and more constricted base (see Sacco 1890b; Ferrero Mortara et al. 1981, pl. 56, figs 9a–b). Mitrella acuminata   (Sacco, 1890, fom the Tortonian of Italy, is more slender and has a higher spire (see Sacco 1890b; Ferrero Mortara et al. 1981, pl. 57, figs 1a–b).

Palaeoenvironment. The occurrence at Gainfarn suggests inner neritic environments with seagrass cover ( Zuschin et al. 2007).

Distribution in Central Paratethys. Badenian (middle Miocene): Carpathian Foredeep: Hołdy, Stary Poczajów, Żukowice, Żabiak, Ternopil ( Ukraine) ( Friedberg 1911); Vienna Basin: Vienna /Pötzleinsdorf, Steinebrunn ( Austria) ( Sieber 1953; Sieber 1959b); Pannonian Basin: Szob ( Hungary ( Strausz 1966); southern Pannonian Basin: Hrvaćani-Drenik ( Bosnia and Hercegovina) ( Atanacković 1985).

? Eastern Paratethys. Konkian (middle Miocene): St. Agara ( Georgia) ( Iljina 1993).

(Proto-)Mediterranean Sea. Tortonian (late Miocene): Po Basin: Stazzano ( Italy).

NHMW

Naturhistorisches Museum, Wien

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Magnoliales

Family

Annonaceae

Genus

Mitrella

Loc

Mitrella complanata (Sacco, 1890)

Harzhauser, Mathias & Landau, Bernard M. 2021
2021
Loc

Mitrella (Mitrella) semicaudata

Iljina, L. B. 1993: 98
1993
Loc

Columbella (Mitrella) complanata

Ferrero Mortara, E. & Montefameglio, L. & Pavia, G. & Tampieri, R. 1981: 179
1981
Loc

Columbella (Mitrella) complanata Bell.

Ferrero Mortara, E. & Montefameglio, L. & Pavia, G. & Tampieri, R. 1981: 179
1981
Loc

Columbella (Mitrella) complanata Bell.

Ferrero Mortara, E. & Montefameglio, L. & Pavia, G. & Tampieri, R. 1981: 179
1981
Loc

Mitrella semicaudata

Zelinskaya, V. A. & Kulichenko, V. G. & Makarenko, D. E. & Sorochan, E. A. 1968: 207
1968
Loc

Columbella (Mitrella) semicaudata

Atanackovic, M. A. 1969: 207
Strausz, L. 1966: 290
1966
Loc

Columbella (Mitrella) semicaudata

Strausz, L. 1962: 104
1962
Loc

Mitrella

Sieber, R. 1958: 148
1958
Loc

Pyrene (Mitrella) semicaudata

Csepreghy-Meznerics, I. 1956: 403
1956
Loc

Mitrella semicaudata Bon.

Sieber, R. 1953: 187
1953
Loc

Columbella semicaudata

Friedberg, W. 1938: 128
1938
Loc

Columbella (Mitrella) semicaudata

Friedberg, W. 1911: 36
1911
Loc

Columbella (Mitrella) semicaudata

Boettger, O. 1902: 16
1902
Loc

Columbella (Mitrella) complanata Bell.

Sacco, F. 1890: 36
1890
Loc

Columbella (Mitrella) semicaudata

Hoernes, R. & Auinger, M. 1880: 95
1880