[1]
2003. MORPHOLOGICAL VARIATION IN HEMIGORDIUS HARLTONI CUSHMAN & WATERS, 1928: REMARKS ON THE TAXONOMY OF CARBONIFEROUSAND PERMIAN HEMIGORDIOPSIDS. RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA . 109, 2 (Jul. 2003). DOI:https://doi.org/10.13130/2039-4942/5502.