A. A. El-Khayal

Qasimia gen. nov., an early Marattia-like fern from the Permian of Saudi Arabia

Christopher R. Hill, Ryszard Wagner, A. A. El-Khayal · The Digital Academic Repository of Naturalis Biodiversity Center (Naturalis Biodiversity Center) · 1985 · 54 citations · Full text

A revision of the upper part of the Saq Formation and Hanadir Shale (lower Ordovician) of Saudi Arabia

A. A. El-Khayal, M. Romano · Geological Magazine · 1988 · 46 citations

Facies Analysis, Engineering, Saudi Arabia +16

Palaeozoic plants from Saudi Arabia

A. A. El-Khayal, William G. Chaloner, Christopher R. Hill · Nature · 1980 · 43 citations

Botany, Arabic, Saudi Arabia +3

Lower Ordovician trilobites from the Hanadir Shale of Saudi Arabia

A. A. El-Khayal, Michael Romano · Biodiversity Heritage Library (Smithsonian Institution) · 1985 · 34 citations · Full text

Late Permian plants including Charophytes from the Khuff Formation of Saudi Arabia

Christopher R. Hill, A. A. El-Khayal · Biodiversity Heritage Library (Smithsonian Institution) · 1983 · 25 citations · Full text