Type material of land snails (Mollusca: Gastropoda) described from New Zealand by taxonomists in Europe and North America between 1830 and 1934, and the history of research on the New Zealand land snail fauna from 1824 to 1917
Author
Brook, Fred J.
Author
Ablett, Jonathan D.
text
Zootaxa
2019
2019-11-14
4697
1
1
117
journal article
24883
10.11646/zootaxa.4697.1.1
2a01bfb5-6e33-42b5-ab5d-4f8512c9128f
1175-5326
3542832
AF79BEA3-3CC8-49CA-9707-A8D5B4DAACD
Balea peregrina
Gould, 1847
Pl. 15, fig. F
Gould, 1847
. Proceedings of the Boston Society of Natural History, 2: 198.
Type material:
Syntype
(1), USNM 5507 (dry shell material); specimen lost (
Johnson 1964: 125
).
Type
locality:
Incorrectly stated as ‘New Zealand’ by
Gould (1847: 198
,
1852: 91
).
Previous illustrations of
type
material:
Gould (1856
: pl. 7, fig. 105, a, b [reproduced here in pl. 15, fig. F]).
Remarks:
The original species description was based on one or more specimens collected during the
United States
Exploring Expedition, reportedly from
New Zealand
(
Gould 1847
,
1852
). However, the description and illustrations of
Balea peregrina
indicate that it belongs in the
Clausiliidae
, which is not represented in the
New Zealand
fauna, and the
type
material was undoubtedly mis-localised. The apparent absence of apertural lamellae and plicae suggests that Gould’s species belongs in the subfamily
Neniinae Wenz, 1923
, within
Temesa
H. & A. Adams, 1855 or
Parabalea
Ancey, 1882
. Species of these two genera are restricted to elevations of c.
3,100
—4,800
m
in the Andes Mountains of South America (e.g.,
Pilsbry 1949
;
Neubert & Nordsieck 2005
;
Breure 2012
).
Temesa
as interpreted by
Nordsieck (2007
,
2012
) is known only from the
Cajamarca Region
of northern
Peru
, whereas
Parabalea
has a distribution extending from the
Ancash Region
of northern
Peru
to northwestern
Bolivia
, with highest diversity in the
Junin Region
of
Peru
. The
type
specimen of
Balea peregrina
was probably collected in
May 1839
, when ships of the
United States
Exploring Expedition were based in the port of
Callao
,
Peru
. During this visit a party from the expedition travelled inland up the valley of the ‘Rio de Caxavillo’ [= Rio Chillón] and over the Cordillera Occidental to a silver mine at Alpamarca [
Junin Region
], and thence to ‘Baños’ [= Pacaraos,
Lima Region
] on the western flank of the range, to make botanical collections (see
Wilkes 1845: 253–276
). It follows that the
type
material of
B. peregrina
probably came from the Cordillera Occidental in either the
Lima
or
Junin
regions, and thus probably belongs in
Parabalea
. The description and illustrations of
Balea peregrina
closely match
Parabalea incarum
(Pilsbry, 1926)
, which has been recorded from elevations of c.
4,100
—4,800
m
in the vicinity of Lake
Junin
(
Pilsbry 1949
;
Loosjes & Loosjes-van Bemmel 1984
), and the two taxa may be conspecific.
Taxonomy:
Treated here as
Parabalea peregrina
(
Gould, 1847
)
n. comb.
Distribution:
Probably native to the Cordillera Occidental in the
Lima
or
Junin
regions of central
Peru
.