Quadrula Rafinesque 1820

Quadrula is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae native to rivers of the American Midwest and mid-south. All have thick nacreous shells with well-developed hinge teeth, many also with external shell sculpturing of nodules or lumps.

Species within the genus Quadrula

In 2012, many species classified as Quadrula were moved to Rotundaria and Theliderma based on genetic and morphological evidence.^[1] Species currently in Quadrula now consist of:^[2]

Quadrula verrucosa

• Quadrula apiculata (Southern mapleleaf)
• Quadrula fragosa (Winged mapleleaf)
• Quadrula nobilis (Gulf mapleleaf)
• Quadrula quadrula (Mapleleaf)
• Quadrula rumphiana (Ridged mapleleaf)
• Quadrula verrucosa (Pistolgrip)

References

Quadrula es un género de mejillones de agua dulce, moluscos bivalvos de la familia Unionidae, nativa de los ríos del Medio Oeste y cetro-sur de Estados Unidos.

Especies

Quadrula metanevra

Quadrula pustulosa

• Quadrula apiculata
• Quadrula asperata
• Quadrula aurea
• Quadrula couchiana
• Quadrula cylindrica
• Quadrula fragosa
• Quadrula houstonensis
• Quadrula intermedia
• Quadrula kleiniana
• Quadrula metanevra
• Quadrula nobilis
• Quadrula nodulata
• Quadrula petrina
• Quadrula pustulosa
• Quadrula quadrula
• Quadrula refulgens
• Quadrula rumphiana
• Quadrula sparsa
• Quadrula stapes
• Quadrula succissa
• Quadrula tuberosa
• Quadrula verrucosa

Referencias

• Turgeon, D.D., J.F. Quinn,Jr., A.E. Bogan, E.V. Coan, F.G. Hochberg, W.G. Lyons, et al. 1998. Common and scientific names of aquatic invertebrates from the United States and Canada: Mollusks, 2nd ed. American Fisheries Society Special Publication 26: pages 526. American Fisheries Society.

quadrula

Quadrula est un genre de mollusques bivalves d'eau douce.

Liste d'espèces

Selon ITIS (31 janvier 2014)^[1] :

Selon NCBI (31 janvier 2014)^[2] :

Notes et références

Voir aussi

Quadrula é um género de bivalve da família Unionidae.

Este género contém as seguintes espécies:

• Quadrula asperata
• Quadrula couchiana
• Quadrula fragosa
• Quadrula houstonensis
• Quadrula intermedia
• Quadrula quadrula
• Quadrula refulgens
• Quadrula rumphiana
• Quadrula stapes
• Quadrula tuberosa

方蚌屬（学名：Quadrula）是美國中西部及中南部特有的淡水蚌的屬，是一種蚌科小方蚌亚科方蚌族的一個淡水雙殼綱軟體動物。

型態特徵

方蚌屬物種外殼的珠母層很厚，有很發達的鉸齒。

棲息地

牠們棲息在河流，但受到失去棲息地的威脅^[1]。

物種

2012年，本屬多個物種基於遺傳學及型態學實證而被移往Rotundaria及Theliderma這兩個屬^[2]。現時本屬只餘下下列六個物種^[3]：

Quadrula verrucosa

• Southern mapleleaf (Quadrula apiculata)
• Winged mapleleaf (Quadrula fragosa)
• Gulf mapleleaf (Quadrula nobilis)
• Mapleleaf (Quadrula quadrula)
• Ridged mapleleaf (Quadrula rumphiana)
• Pistolgrip (Quadrula verrucosa)

以下物種舊屬本屬：

• 中間方蚌
• 稀少方蚌

參考文獻