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Scalaria rugulosa Sowerby 1846 from: Griffin, M..Nielsen, S.N.. (2008): A revision of the type specimens of Tertiary molluscs from Chile and Argentina described by d’Orbigny (1842), Sowerby (1846), and Hupé (1854) . Journal of Systematic Palaeontology
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Species Scalaria rugulosa Sowerby 1846


Discussion / Comments:
Griffin & Nielsen (2008):
TYPE MATERIAL. Three syntypes: NHM-G26346, NHM-G26347, and NHM-G26348. REMARKS. This is the common species of Cirsotrema Mörch, 1853 [type species Scalaria varicosa Lamarck, 1822] from the San Julián Formation. The two specimens figured by Sowerby (1846, pl. 3, figs 42, 43) appear to belong in different taxa. Sowerby himself seems to have had doubts as to their identity, as the figure captions for his plate 3 read: “Fig 42, 43. Scalaria rugulosa & var.” In order to fix the status of the species and avoid misidentifications we designate as lectotype the specimen NHM-G26346, on which Sowerby’s figure 42 was based. Records of Scalaria rugulosa from the Navidad Formation and its equivalents refer to a different species.
Synonym list:
Griffin & Nielsen (2008):
1846 Scalaria rugulosa Sowerby. - Sowerby : p.255 pl. 3; fig. 42, 43
non 1887 Scalaria rugulosa Sowerby. - Philippi : p.77 pl. 9; fig. 15
1902 Scalaria rugulosa Sowerby. - Ortmann : p.175 pl. 31; fig. 11a-c
1981 Opalia rugulosa Sowerby. - Zinsmeister : p.1097 pl. 2; fig. 10
2008 Cirsotrema rugulosa Sowerby. - Griffin & Nielsen : pl. 23; fig. 8-9
Was used in synonym list of:
References:

Sowerby,G.B.. (1846):
Descriptions of Tertiary fossil shells from South America..
In: Geological observations on South America. Eds: Darwin, C.. p. 249-264

Philippi,R.A.. (1887):
Die tertiären und quartären Versteinerungen Chiles.. p. 266

Ortmann,A.E.. (1902):
Tertiary invertebrates: Reports of the Princeton Expedition to Patagonia, 1896–1899. Vol. 4(2) p. 45-332

Zinsmeister,W.J.. (1981):
. Middle to Late Eocene invertebrate fauna from the San Julian Formation at Punta Casamayor, Santa Cruz Province, southern Argentina . Journal of Paleontology Vol. 55 p. 1083-1102

Griffin,M.. and Nielsen,S.N.. (2008):
A revision of the type specimens of Tertiary molluscs from Chile and Argentina described by d’Orbigny (1842), Sowerby (1846), and Hupé (1854) . Journal of Systematic Palaeontology
Anonymous: Unedited TaxonConcept data
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This work is licensed under a Creative Commons Attribution 2.5 License.