Sapindopsis
Sapindopsis is an extinct form genus for leaves of the Cretaceous Period, originally considered similar to soapberry. Associated reproductive structures now suggest it was more closely related to planes and sycamores of the family Platanaceae.
Description
In the form generic system of paleobotany Sapindopsis is used only for leaves, which are compound with three to six leaflets. Leaflets vary in distinctness or confluence with the midrib. The venation is pinnate, eucamptodromous to brochidodromus, with percurrent tertiary veins.Distribution and species
Sapindopsis was geographically widespread from Asia to North America. Species include:- Sapindopsis acuta - Albian–Coniacian; Atane Formation; Isunguak & Asuk, Greenland
- Sapindopsis angusta - Albian–Coniacian; Atane Formation; Isunguak & Asuk, Greenland
- Sapindopsis anhouryi - Cenomanian; Sannine Formation; Namoura, Lebanon.
- Sapindopsis asiaticus - Late Albian - Early Turonian; Krivorechenskaya Formation; Russia.
- Sapindopsis brevifolia - Barremian, Potomac Group, Virginia, USA
- Sapindopsis chinensis - Late Albian Dalazi Formation; China & Alchan Formation; Russia
- Sapindopsis magnifolia Barremian, Potomac Group, Virginia, USA
- Sapindopsis orientalis - Frentsevka Formation of Russia.
- Sapindopsis powelliana - Cenomanian; Dakota Formation; Kansas, USA.
- *Distefananthus hoisingtonensis may be the inflorescence of this species.
- Sapindopsis retallackii - Cenomanian Dakota Formation; Kansas, USA
- Sapindopsis variabilis - Barremian Patapsco Formation; Virginia, USA