A revision of the Neogene Conidae and Conorbidae (Gastropoda) of the Paratethys Sea
Author
Harzhauser, Mathias
Author
Landau, Bernard
text
Zootaxa
2016
4210
1
1
178
journal article
37280
10.11646/zootaxa.4210.1.1
e782e07d-76b7-4e9b-ba34-ed3286254ec6
1175-5326
252966
D39416B8-CF85-440B-84C2-D4380BECC4E3
Kalloconus berghausi
(
Michelotti, 1847
)
Figs 3
G1–G2, 8A1–A3, 8B1–B3, 8C, 8D1–D3, 8E,
Conus Berghausi
mihi,
Michelotti 1847
: 342
, pl. 13, figs 9–9’.
Conus Berghausi
Micht.
—Hörnes 1851: 19, pl. 1, figs 3a–c [non fig 3d =
Kalloconus hendricksi
nov. sp.].
[
Dendroconus
] [
Conus
]
Vaceki
n. f.—
Hoernes 1878a
: 195
(nomen nudum).
C.
[
onus
]
Vaceki
—
Hoernes 1878b
: 206 (nomen nudum).
Conus
(
Dendroconus
)
Vaceki
nov. form.—
Hoernes & Auinger 1879
: 22
[nov. nom. pro
C. berghausi
in Hörnes 1851
, pl. 1, fig. 3].
Conus
(
Dendroconus
)
subraristriatus
da Costa—Hoernes &
Auinger 1879
: 23
(partim), pl. 1, fig. 22 [non fig. 20 =
Lautoconus eschewegi
(Pereira da
Costa, 1866
), non
Lautoconus subraristriatus
(Pereira da
Costa, 1866
)].
C
.[
onus
]
Auingeri
—
De Gregorio 1885
: 378 [nov. nom. pro
Conus subraristriatus
in
Hoernes & Auinger 1879
pl. 1, fig. 22].
Conus ventricosus
Bronn—Friedberg 1911: 60
, text-fig. 14 [non
Gmelin, 1791
, non
Bronn, 1831
].
Conus Berghausi
Micht.
var.
Vaceki
R. Hoern. i Auing.—Friedberg 1911: 62, pl. 3, fig. 5.
Conus Berghausi
Micht.
—Friedberg 1928: 566, text-fig. 80.
?
Conus
(
Dendroconus
)
berghausi
Michelotti 1847
—
Hinculov 1968
: 151
, pl. 38, figs 8a–b.
Conus
(
Dendroconus
)
berghausi
Michelotti—Atanacković 1969: 214
, pl. 12, figs 17–17b.
Conus
(
Cleobula
)
berghausi vaceki
Hoernes et Auinger—Nicorici 1972: 70
, pl. 17, figs 3–4.
?
Conus
(
Cleobula
)
berghausi planocylindrica
Sacco—Kókay 1996: 457
, pl. 4, fig. 2.
Conus
(
Lithoconus
)
berghausi
Michelotti, 1847
—
Bałuk 1997
: 58
(partim), pl. 21, figs 3–4.
Conus
(
Cleobula
)
berghausi vaceki
Hoernes & Auinger—Chira &
Voia 2001
: 156
, pl. 4, figs 5a–b.
Conus
(
Lithoconus
)
berghausi
Michelotti, 1847
—Harzhauser 2002: 113, pl.10, figs 4–6.
Conus
(
Lithoconus
)
berghausi
Michelotti, 1847
—
Miku 2003
: 308
, pl. 10, fig. 30.
?
Conus
(
Lithoconus
)
berghausi
Michelotti, 1847
—
Miku 2009
: 36
, pl. 12, fig. 164.
Dendroconus berghausi
(Michelotti)
—
Kovács & Vicián 2013
: 66
, figs 2, 38–40, 42.
Kalloconus berghausi
(
Michelotti, 1847
)
—
Landau
et al
. 2013
: 236
, pl. 37, figs 6–8, pl. 42, fig. 1; pl. 81, fig. 1.
non
Conus
(
Dendroconus
)
berghausi
Michelotti 1847
—Kojumdgieva in
Kojumdgieva & Strachimirov 1960
: 215
, pl. 51, figs 3a–b [non fig 3d =
Kalloconus hendricksi
nov. sp.].
non
Conus
(
Cleobula
)
berghausi vaceki
Hoernes & Auinger—Strausz 1962: 147
, pl. 71, figs 10–14 [non fig 3d =
Kalloconus hendricksi
nov. sp.].
non
Conus
(
Cleobula
)
berghausi vaceki
Hoernes & Auinger, 1879
—
Strausz 1966
: 464
, pl. 71, figs 10–14 [non fig 3d =
Kalloconus hendricksi
nov. sp.].
non
Conus
(
Dendroconus
)
berghausi
Michelotti 1847
—Bohn-Havas 1973: 1124, 11, pl. 9, fig. 10 [non fig 3d =
Kalloconus hendricksi
nov. sp.].
Type
material.
The
specimen illustrated by
Michelotti
(1847)
is lost.
Therefore
,
Hall
(1966)
proposed the specimen illustrated by
Sacco
(1893a, pl. 1, fig. 16)
from the late
Miocene
(
Tortonian
) of
Stazzano
in
Italy
as
neotype
(stored in the
Museo Regionale di Scienze Naturali
,
Torino
, catalogue number BS.039.40.006).
The
type
locality of
Conus vaceki
Hoernes & Auinger, 1879
(considered to be junior synonym of
C. berghausi
) is
Niederkreuzstetten
(
Austria
)
;
the
type
stratum is
lower Miocene
coastal sand of the Korneuburg Formation.
Studied material.
9 spec.
NHMW
1849
/0004/0017,
Niederkreuzstetten
(
Austria
), including specimen illustrated in
Hörnes
(1851, pl. 1, figs 3a–c) and
Harzhauser
(2002, pl. 10, fig. 5); 5 spec
.
NHMW
1864
/0001/0498,
Niederkreuzstetten
(
Austria
)
; 1 spec. private collection, Anton Breitenberger, Weitendorf (Austria);
3 spec.
NHMW
1856
/0050/0413,
Lăpugiu de Sus
(
Romania
)
.
Illustrated material.
Figs 8A
1
–A3: Niederkreuzstetten (
Austria
), SL: 39.1, MD:
28.9 mm
,
NHMW
1849/ 0004/0017, specimen illustrated in Hörnes (1851, pl. 1, figs 3a–c),
syntype
of
Conus vaceki
Hoernes & Auinger, 1879
;
Figs 8
B1–B3: Niederkreuzstetten (
Austria
), SL: 32.2, MD:
21.4 mm
,
NHMW
1864/0001/0498;
Fig. 8
C: Niederkreuzstetten (
Austria
), SL: 31.4, MD:
21.7 mm
,
NHMW
1849/0004/0017;
Figs 8
D1–D3: Weitendorf (
Austria
), SL:
34.5 mm
, MD:
23.4 mm
, private collection, Anton Breitenberger (this specimen shows its natural coloration due to heating by basalt flows);
Figs. 8
E, 3G1–G2: Lăpugiu de Sus (
Romania
): SL: 42.0 mm, MD:
29.8 mm
,
NHMW
1856/0050/0413.
Revised description
. Medium-sized, stout club-shaped shells; spire low and conical, weakly coeloconoid. Early spire whorls slightly concave with strong spiral cords. Suture impressed, emphasized by two raised cords, resulting in a narrowly channelled suture in some specimens. Spiral cords become obsolete within 3rd–4th spire whorls, which develop broad, irregular swellings along shoulder causing undulations of the shoulder. Subsequent spire whorls smooth, becoming successively more convex. Last whorl distinctly broadening with prominent, rounded shoulder coinciding with maximum diameter. Subsutural flexure shallow, moderately curved, moderately asymmetrical. Last whorl short, conical, not constricted. Aperture moderately wide; slightly widening towards short and straight canal; siphonal fasciole indistinct, short; inner lip short, slightly twisted. Deep spiral grooves demarcate broad spiral cords on base; grooves stop abruptly within lower third of whorl and do not become obsolete adapically. Colour pattern highly variable, consisting of about 13–20 rows of spirally arranged, often subquadratic dots. Size of dots highly variable; small dots tend to be densely spaced, whilst large dots are widely spaced; often two rows of dots form close-spaced pairs separated by wider interspaces from the next pair.
FIGURE 8A1–A3.
Kalloconus berghausi
(Michelotti, 1847)
, Niederkreuzstetten (Austria), NHMW 1849/0004/0017.
8B1–B3.
Kalloconus berghausi
(Michelotti, 1847)
, Niederkreuzstetten (Austria), NHMW 1864/0001/0498.
8C.
Kalloconus berghausi
(Michelotti, 1847)
, Niederkreuzstetten (Austria),, NHMW 1849/0004/0017.
8D1–D3.
Kalloconus berghausi
(Michelotti, 1847)
, Weitendorf (Austria), private collection, Anton Breitenberger.
8E.
Kalloconus berghausi
(Michelotti, 1847)
, Lăpugiu de Sus (Romania). NHMW 1856/0050/0413.
8F1–F5
.
Kalloconus hendricksi
nov. sp, Lăpugiu de Sus (Romania), NHMW 1870/0033/ 0005a, holotype.
8G1–G3.
Kalloconus hendricksi
nov. sp, Pöls (Austria), NHMW 1861/0001/0226, paratype.
8H
.
Kalloconus hendricksi
nov. sp, Weitendorf (Austria), private collection, Anton Breitenberger.
8I1–I4.
Kalloconus cacellensis
(Pereira da Costa, 1866), Lăpugiu de Sus (Romania), NHMW 1855/0043/0002.
Shell measurements and ratios
. n = 14: largest specimen: SL:
44 mm
, MD:
31.1 mm
, mean SL: 35.0 mm (σ = 5.4), mean MD:
24.3 mm
(σ = 4.2), spire angle: µ = 128.0° (σ = 10.2°), last whorl angle: µ = 40.1° (σ = 1.1°), LW: µ = 1.4 (σ = 0.06), RD: µ = 0.75 (σ = 0.04), PMD: µ = 0.87 (σ = 0.03), RSH: µ = 0.08 (σ = 0.04).
Discussion.
Despite the numerous papers dealing with this species, no author so far has described the conspicuous sculpture of the early spire whorls with broad shoulder nodules and prominent striae. Similarly, the concave tops of early spire whorls have not been mentioned before. A comparison with specimens from the Tortonian of Modena and Tortona, showed the same features and fully support the identification of the Paratethyan specimens. This species was placed in
Kalloconus
da
Motta, 1991
by
Tucker & Tenorio (2009)
and
Landau
et al
. (2013)
. The concave tops do not contradict this assignment as the
type
species
Kalloconus pulcher
([
Lightfoot, 1786
]) and also
K. byssinus
(Röding, 1798)
—the second extant species included by
Tucker & Tenorio (2009)
in the genus—have also slightly concave tops. Clear deviation from the diagnosis is the presence of very prominent spiral cords on early spire whorls and the broad nodules. Consequently, either the diagnosis of
Kalloconus
has to be emended or the Miocene species has to be placed in another genus. Provisionally, we follow
Tucker & Tenorio (2009)
and tentatively treat the species as
Kalloconus
.
The colouration of the specimens from Weitendorf (Styria, Austria) seems to reflect the original pattern and several other mollusc species from this site reveal similarly well preserved patterns (NHMW collection). Although we do not know the chemical mechanism, it is likely that heating by a synsedimentary basalt flow (
Krainer 1987
) was responsible for this preservation.
Distribution in Paratethys.
Karpatian (early Miocene):
Alpine-Carpathian Foredeep
: Niederkreuzstetten (
Austria
) (Harzhauser 2002); Badenian (middle Miocene):
Vienna
Basin
: Steinebrunn (
Austria
), Mikulov-Kienberk (
Czech Republic
) (Hörnes 1851;
Sieber 1958b
);
Styrian Basin:
Pöls, Weitendorf (
Austria
) (own data);
Carpathian Foredeep:
Korytnica, Białogon (
Poland
) (Friedberg 1911;
Bałuk 1997
);
Pannonian Basin System:
Pécsszabolcs, Letkés, Mátraverebély, Sámsonháza, Várpalota, Bánd, Diósd, Hidas, Márkháza, Zebegény,
Budapest
: Rákos, Illés street (
Hungary
) (
Kovács & Vicián 2013
);
southern Pannonian Basin:
Milijevići (
Bosnia and Herzegovina
) (
Atanacković 1969
);
Transylvanian Basin:
Lăpugiu de Sus (
Romania
) (
Hoernes & Auinger 1879
);
Şimleu Basin
: Tusa (
Romania
) (
Nicorici 1972
);
Caransebeş-Mehadia Basin:
Valea Strinii, Valea Bela Reca, Valea Calvei, Valea Satului (
Romania
);
Krka Basin
: Orehovica (
Slovenia
) (
Miku 2009
).
Proto-Mediterranean Sea and
north eastern Atlantic
.
Burdigalian: Colli Torinesi,
Italy
(
Sacco 1893a
;
Hall 1966
); Langhian and Serravallian:
Aquitaine
Basin
,
France
(
Peyrot 1931
); Langhian:
Loire
Basin (
Glibert 1952a
); Serravallian
:
Karaman
Basin,
Turkey
(
Landau
et al
. 2013
); Tortonian: Cacela Basin
,
Portugal
(Pereira da
Costa
1866
); Po Basin
, Italy (
Sacco 1893a
;
Davoli 1972
, 1990;
Ruggieri & Davoli 1984
;
Caprotti 2011
). An occurrence from the Pliocene of Italy mentioned by
Sacco (1893a)
needs confirmation and is most probably incorrect.