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
Monteiroconus mojsvari
(
Hoernes & Auinger, 1879
)
Figs 17
T, 25E1–E2, 25F1–F
2, 26I
, 26J
Conus Mercati
Brocc.
—Hörnes 1851: 23 (partim), pl. 2, figs 1a–b [non
Monteiroconus mercati
(
Brocchi, 1814
)
].
[
Dendroconus
] [
Conus
]
Mojsvari
n. f.—
Hoernes 1878a
: 195
(nomen nudum).
[
Dendroconus
] [
Conus
]
Gainfahrensis
n. f.—
Hoernes 1878a
: 195
(nomen nudum).
Conus
(
Dendroconus
)
Mojsvari
nov. form.—
Hoernes & Auinger 1879
: 18
, pl. 3, fig. 2.
Conus
(
Dendroconus
)
Gainfahrenensis
nov. form.—
Hoernes & Auinger 1879
: 18
, pl. 2, fig. 4.
Conus
(
Lithoconus
)
Mercati
Brocc.
—
Hoernes & Auinger 1879
: 27
(partim).
[
Conus
]
L.
[
ithoconus
]
Mercatii
var.
miocaenica
Sacc.
—
Sacco 1893a
: 20
[nov. nom. pro
Conus mercati
in Hörnes 1851
, pl. 2, fig. 1].
Conus
(
Lithoconus
)
mercatii
[sic]
miocaenica
[sic] Sacco—Csepreghy-Meznerics 1956: 421, pl. 10, figs 7–8.
Conus
(
Lithoconus
)
mercati
Brocc.
—
Florei 1961
: 688
, pl. 9, fig. 66 [non
Monteiroconus mercati
(
Brocchi, 1814
)
].
Conus
(
Lithoconus
)
mercatii miocaenicus
[sic] Sacco, 1893—
Strausz 1966
: 455
, pl. 68, figs 3–5.
Conus
(
Lithoconus
)
mercatii miocaenicus
[sic] Sacco, 1893–
Nicorici & Sagatovici 1973
: 175, pl. 27, fig. 1.
Conus
(
Lithoconus
)
mercati sharpeanus
(
Costa
) 1866
—Bohn-Havas 1973: 1123, pl. 7, fig. 9.?
Conus
(
Lithoconus
)
mercatti
[sic]
subaustriaca
Sacco—Chira &
Voia 2001
: 156, pl. 2, figs 4a–b.
Conus
(
Lithoconus
)
mercatti
[sic]
miocenicus
Sacco—Chira &
Voia 2001
: 156
, pl. 2, figs 3a–b.
Monteiroconus mercati
(
Brocchi, 1814
)
—
Kovács & Vicián 2013
: 78, figs 89–91 (non figs 87–88) [non
Monteiroconus mercati
(
Brocchi, 1814
)].
non
Conus
(
Lithoconus
)
mercati miocaenicus
[
sic
] Sacco—Nicorici 1972: 70, pl. 17, figs 1–2 [=
Monteiroconus daciae
Hoernes & Auinger, 1879
)].
non
Conus
(
Lithoconus
)
mercati
Brocchi—Schultz 1998: 72
, pl. 29, figs 12a–b [=
Monteiroconus daciae
(
Hoernes & Auinger, 1879
)
].
non
Conus
(
Lithoconus
)
mercatti
[sic]
caniculatodepresa
Sacco—Chira &
Voia 2001
: 156
, pl. 2, figs 2a–b [=
Pseudonoduloconus austriacus
(
Hoernes & Auinger, 1879
)
].
Type
material.
Syntype
NHMW
1853
/0010/0001,
Gainfarn
(
Austria
), illustrated in
Hoernes
&
Auinger
(1879, pl. 3, fig. 2)
, 2 spec
.
syntypes
NHMW
1867
/9919/0001,
Coşteiu de Sus
(
Romania
)
; middle Miocene, Badenian (late Langhian). The type locality of
Conus gainfahrenensis
Hoernes & Auinger, 1879
, considered to be junior synonym of
M. mojsvari
, is the middle Miocene locality Gainfarn in Austria. The type locality of
Conus miocaenicus
Sacco, 1893
, considered to be junior synonym of
M. mojsvari
, is the middle Miocene locality Pötzleinsdorf in Austria.
Studied
material.
Syntypes
and 1 spec
.
NHMW
1847
/0037/0024,
Pötzleinsdorf
(
Austria
), illustrated specimen in
Hörnes
(1851, pl. 2, fig. 1),
syntype
of
Conus miocaenicus
Sacco, 1893
; 1 spec
.
NHMW
1855
/0045/ 0 0 0 1,
Steinebrunn
(
Austria
)
; 1 NHMW 1853/0003/0001, 1 spec. NHMW 1997z0178/1484, 1 spec. NHMW 1855/ 0045/0354, 4 spec.
NHMW
1846
/0037/0046,
Gainfarn
(
Austria
)
;
1 spec.
NHMW
1848
/0021/0023,
Grinzing
(
Austria
)
.
Illustrated material.
Figs 25
E1–E
2,26I
, 17T: Pötzleinsdorf (
Austria
): SL:
103.6 mm
, MD:
60.3 mm
,
NHMW
1847/0037/0024, illustrated in Hörnes (1851, pl. 2, fig. 1);
Figs 25
F1–F2,26J:
syntype
, Gainfarn (
Austria
): SL:
87.2 mm
, MD:
54.3 mm
,
NHMW
1853/0010/0001, illustrated in
Hoernes & Auinger (1879, pl. 3, fig. 2)
.
Revised description.
Moderately large to large shell up to
105 mm
in height; about 10 teleoconch whorls. Depressed spire with initially moderately coeloconoid and later low conical outline; adapical half of spire whorls weakly concave, distinctly striate; abapical part convex, sometimes bulging. Subsutural flexure of medium depth, strongly curved, moderately asymmetrical; suture usually wavy and irregular. Shoulder weakly angulated; position of maximum diameter slightly below shoulder; last whorl regularly conical below periphery, not constricted. Surface smooth except for weak growth lines and indistinct, low spiral cords on base. Aperture moderately wide, anteriorly broadening; siphonal canal very short, wide, nearly straight; fasciole not well demarcated, weakly swollen with prominent growth lines; inner lip twisted. No colour pattern preserved.
Shell measurements and ratios.
n =
8 adult
and subadult specimens: largest specimen: SL:
105 mm
, MD:
63.8 mm
, mean SL:
89.3 mm
(σ = 11.2), mean MD:
53.7 mm
(σ = 6.7), spire angle: µ = 132.3° (σ = 8.5°), last whorl angle: µ = 37.3° (σ = 2.1°), LW: µ = 1.67 (σ = 0.06), RD: µ = 0.66 (σ = 0.02), PMD: µ = 0.88 (σ = 0.02), RSH: µ = 0.09 (σ = 0.01).
Discussion.
The very broad species concept of Hörnes (1851) united several species as
Conus mercati
, which were later recognized as distinct taxa by
Hoernes & Auinger (1879)
and
Sacco (1893a)
.
Monteiroconus mercati
has smooth spire whorls, whereas the Paratethyan shells variously placed on
M. mercati
in the literature all have striate spire whorls (see
Landau
et al
. 2013
). The first available name for this
mercati-
like shells with conical spire (in contrast to
M. daciae
) and moderately elongate last whorl is
Conus mojsvari
Hoernes & Auinger, 1879
. Later,
Sacco (1893a)
introduced
Conus mercatii miocaenica
as variation name for the specimen illustrated by Hörnes (1851, pl. 2, fig. 1) without discussing its relation with
C. mojsvari
. The only difference between the
syntypes
of
Monteiroconus mojsvari
and the
syntype
of
M. miocaenicus
is the larger size, more elongate last whorl and the slightly gradate last two spire whorls of
M. miocaenicus
.
As there are also intermediate specimens between both morphotypes, we consider
M. miocaenicus
a very large specimen of
M. mojsvari
and treat it as subjective junior synonym.
The single specimen, described by
Hoernes & Auinger (1879)
as
Conus gainfahrenensis
(NHMW 1855/0045/ 0351), is just an aberrant specimen of
M. mojsvari
with a slight constriction in the middle of the last whorl.
Paleoenvironment.
All occurrences reflect shallow water environments, partly with sea grass meadows and coral patches (
Zuschin
et al.
2007
;
Kovács & Vicián 2013
).
FIGURE 26A1–A3.
Monteiroconus hoernesi
(Doderlein, 1863)
, Grund (Austria), NHMW 1851/0002/0004, lectotype.
26B1– B3.
Monteiroconus hoernesi
(Doderlein, 1863)
, Lăpugiu de Sus (Romania), NHMW 1870/0033/0001.
26C1–C3.
Monteiroconus hoernesi
(Doderlein, 1863)
, Gainfarn (Austria), NHMW 1856/0050/0110.
26D1–D3.
Monteiroconus neugeboreni
(Hoernes & Auinger, 1879)
, Lăpugiu de Sus (Romania), NHMW 1949/0005/0001.
26E1–E2.
Monteiroconus pervindobonensis
(Sacco, 1893)
, Bad Vöslau (Austria), NHMW 1869/0001/0020.
26F1–F3.
Monteiroconus supracompressus
(Sacco, 1893)
, Mikulov (Czech Republic), NHMW 1851/0010/0004, holotype.
26G1–G3.
Monteiroconus supracompressus
(Sacco, 1893)
, Mikulov (Czech Republic), NHMW 2016/0034/0001.
26H.
Monteiroconus supracompressus
(Sacco, 1893)
, Mikulov (Czech Republic), NHMW 2016/0034/0001.
26I.
Monteiroconus mojsvari
(Hoernes & Auinger, 1879)
, Pötzleinsdorf (Austria), NHMW 1847/ 0037/0024.
26J.
Monteiroconus mojsvari
(Hoernes & Auinger, 1879)
, Gainfarn (Austria), NHMW 1853/0010/0001, syntype.
Distribution in Paratethys.
Badenian (middle Miocene):
Vienna
Basin:
Gainfarn Pötzleinsdorf, Steinebrunn, Grinzing (
Austria
) (
Hoernes & Auinger 1879
;
Sieber 1958b
; NHMW collection);
Pannonian Basin:
Várpalota, Letkés, Szob, Biatorbágy, Devecser, Diósd, Kemence, Márkháza, Mátraverebély, Sámsonháza,
Budapest
: Adria street, Illés street, Rákos (
Hungary
) (
Kovács & Vicián 2013
);
Caransebeş-Mehadia Basin:
Zorlenţu-Mare (
Romania
) (
Florei 1961
);
Transylvanian Basin
: Coşteiu de Sus, Lăpugiu de Sus (
Romania
) (NHMW collection);
Zârand Basin
: Minişul de Sus (
Romania
) (
Nicorici & Sagatovici 1973
).