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Data last updated
Mon 1 Dec 2025
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Publication de Gregorio (1914): summarypublication summary
Full Citationde Gregorio, A. 1914. Su taluni molluschi di acqua dolce di America (American fresh water shells of America). Il Naturalista Siciliano 2 (Nuova Serie): 31-72, pls. 3-12. Available electronically.
Attributed Nominal Genera
Attributed Nominal Species
Unio cilindricus [sic] var. acrispatus de Gregorio, 1914 = Theliderma cylindrica
de Gregorio, 1914. Il Nat. Siciliano 2: 41, pl. 4, figs. 2a-b. (intro'd as intra-sp. of Unio cylindricus Say, 1817)
de Gregorio, 1914. Il Nat. Siciliano 2: 52, pl. 8, figs. 2a-d. (intro'd as intra-sp. of Unio lanceolatus Lea, 1828)
‘Barn. Say’ de Gregorio, 1914. Il Nat. Siciliano 2: 41. (error for Unio cylindricus Say, 1817)
There are 39 available nominal species
attributed to this publication (69 total).
Unio angustatus var. cuniculus de Gregorio, 1914 = Ligumia recta
de Gregorio, 1914. Il Nat. Siciliano 2: 52, pl. 10, fig. 1a-d. (intro'd as intra-sp. of Unio angustatus Lea, 1831)
Unio ochmulgensis [sic] f.a dominus de Gregorio, 1914 = Elliptio icterina
de Gregorio, 1914. Il Nat. Siciliano 2: 48, pl. 7, figs. 1a-d. (intro'd as intra-sp. of Unio ocmulgeensis Lea, 1861)
Unio elegans var. elegantopsis de Gregorio, 1914 = Truncilla truncata
de Gregorio, 1914. Il Nat. Siciliano 2: 41, pl. 4, figs. 6a-b. (intro'd as intra-sp. of Unio elegans Lea, 1831)
‘Green’ de Gregorio, 1914. Il Nat. Siciliano 2: 58. (error for Unio aesopus Green, 1827)
‘Lea’ de Gregorio, 1914. Il Nat. Siciliano 2: 64. (error for Anodonta ferussaciana Lea, 1834)
Unio arctior var. fisheropsis de Gregorio, 1914 = Elliptio lanceolata
de Gregorio, 1914. Il Nat. Siciliano 2: 45, pl. 5, figs. 3a-c. (intro'd as intra-sp. of Unio arctior Lea, 1838)
Anodonta ferussaceana [sic] var. incertopsis de Gregorio, 1914 = unionoid nearctic-species
de Gregorio, 1914. Il Nat. Siciliano 2: 64, pl. 11, figs. 5a-b. (intro'd as intra-sp. of Anodonta ferussaciana Lea, 1834)
de Gregorio, 1914. Il Nat. Siciliano 2: 48. (intro'd as intra-sp. of Unio plenus Lea, 1840)
‘Lea’ de Gregorio, 1914. Il Nat. Siciliano 2: 37. (error for Symphynota laevissima Lea, 1829)
Unio compressa var. lindus de Gregorio, 1914 = Platynaias compressa
de Gregorio, 1914. Il Nat. Siciliano 2: 14, pl. 6, figs. 1a-d. (intro'd as intra-sp. of Symphynota compressa Lea, 1829)
Unio triangularis var. longiusculus de Gregorio, 1914 = Epioblasma triquetra
de Gregorio, 1914. Il Nat. Siciliano 2: 40, pl. 4, figs. 5a-c. (intro'd as intra-sp. of Unio triangularis Barnes, 1823)
Unio elegans var. magnelegans de Gregorio, 1914 = Truncilla truncata
de Gregorio, 1914. Il Nat. Siciliano 2: 41, pl. 5, figs. 1a-c. (intro'd as intra-sp. of Unio elegans Lea, 1831)
Unio pullatus var. majusculus de Gregorio, 1914 = Elliptio complanata
de Gregorio, 1914. Il Nat. Siciliano 2: 57, pl. 8, figs. 3a-d. (intro'd as intra-sp. of Unio pullatus Lea, 1857; homonym of Unio (Elliptio) ravistellus var. majusculus Martens, 1900)
Unio anaticulus var. ohiensis de Gregorio, 1914 = Pleurobema clava
de Gregorio, 1914. Il Nat. Siciliano 2: 51, pl. 10, figs. 3a-d. (intro'd as intra-sp. of Unio anaticulus Lea, 1861)
Unio (Sayunio) dehiscens var. oriensopsis de Gregorio, 1914 = Hemistena lata
de Gregorio, 1914. Il Nat. Siciliano 2: 62, pl. 7, figs. 2a-b; pl. 10, figs. 4a-b. (intro'd as intra-sp. of Unio dehiscens Say, 1829)
‘Lea’ de Gregorio, 1914. Il Nat. Siciliano 2: 51. (error for Unio othcaloogensis Lea, 1857)
Unio triangularis var. pergibosus de Gregorio, 1914 = Epioblasma triquetra
de Gregorio, 1914. Il Nat. Siciliano 2: 40, pl. 4, figs. 4a-c. (intro'd as intra-sp. of Unio triangularis Barnes, 1823)
Unio phaseolus de Gregorio, 1914 = Scabies phaselus
‘Lea’ de Gregorio, 1914. Il Nat. Siciliano 2: 61. (homonym of Unio phaseolus Hildreth, 1828; new name for Unio phaselus Lea, 1856)
de Gregorio, 1914. Il Nat. Siciliano 2: pl. 11, caption. (error for Anodonta foliopsis de Gregorio, 1914)
Unio muhlfeldianus var. plurimaffinis de Gregorio, 1914 = Lampsilis radiata
de Gregorio, 1914. Il Nat. Siciliano 2: 39, pl. 3, figs. 2a-d. (intro'd as intra-sp. of Unio muhlfeldianus Lea, 1838)
Unio cilindricus [sic] var. propetipicus de Gregorio, 1914 = Theliderma cylindrica
de Gregorio, 1914. Il Nat. Siciliano 2: 41, pl. 4, figs. 1a-b. (intro'd as intra-sp. of Unio cylindricus Say, 1817)
Anodonta subcilindracea [sic] var. propexilis de Gregorio, 1914 = unionoid nearctic-species
de Gregorio, 1914. Il Nat. Siciliano 2: 63, pl. 12, figs. 1a-e. (intro'd as intra-sp. of Anodonta subcylindracea Lea, 1838)
Unio subtontus [sic] var. puchreornatus de Gregorio, 1914 = Ptychobranchus subtentus
de Gregorio, 1914. Il Nat. Siciliano 2: pl. 9, caption. (error for Unio subteritus [sic] var. purchreornatus de Gregorio, 1914)
‘Lea’ de Gregorio, 1914. Il Nat. Siciliano 2: 46. (error for Unio rostraeformis Lea, 1857)
‘Lea’ de Gregorio, 1914. Il Nat. Siciliano 2: 55. (error for Unio sowerbianus Lea, 1834)
Unio stewardsonii var. stewensoni de Gregorio, 1914 = Epioblasma obliquata
de Gregorio, 1914. Il Nat. Siciliano 2: 45, pl. 6, fig. 3. (intro'd as intra-sp. of Unio stewardsonii Lea, 1852)
‘Lea’ de Gregorio, 1914. Il Nat. Siciliano 2: 62. (error for Anodonta subcylindracea Lea, 1838)
‘Say’ de Gregorio, 1914. Il Nat. Siciliano 2: 61. (error for Unio subtentus Say, 1825)
‘Say’ de Gregorio, 1914. Il Nat. Siciliano 2: pl. 9, caption. (error for Unio subtentus Say, 1825)
Unio tuberculatus var. supraspeciosus de Gregorio, 1914 = Quadrula verrucosa
de Gregorio, 1914. Il Nat. Siciliano 2: 42, pl. 6, figs. 2a-d [as ‘supra speciosus’]. (intro'd as intra-sp. of Unio tuberculatus Barnes, 1823)
‘Lea’ de Gregorio, 1914. Il Nat. Siciliano 2: 56. (error for Unio tecomatensis Lea, 1841)
‘Lea’ de Gregorio, 1914. Il Nat. Siciliano 2: 50. (error for Unio thorntonii Lea, 1857)
Taxonomic OpinionsThere are 243 taxonomic opinions from this
publication. Click here to see the full list.
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