Text-fig. 6. Synchrotron radiation X-ray tomographic microscopy (SRXTM) images of Canrightiopsis from the Early Cretaceous of Portugal. a–d) Volume renderings (a, c) and orthoslices (b, d) of fruit of Canrightiopsis crassitesta from the Catefica locality (S174159; Catefica sample 49) in longitudinal (a, cut between orthoslice yz0440-510; b, orthoslice xz0511) and transverse sections (c, cut between orthoslices xy0800-0900; d, orthoslice xy0949) showing thick crystalliferous endotesta (oi-en), chalaza (asterisk) and endosperm (endo) with embryo cavity (arrow). e) Transverse orthoslice of fruit of Canrightiopsis intermedia from the Famalicão locality (S174004; Famalicão sample 25) showing endotesta (oi-en) and remains of tegmen with large cells of meso- and endotegmen (ii-en). f) Transverse orthoslice of fruit of Canrightiopsis sp. from the Catefica locality (S174039; Catefica sample 49) with thick endotesta (oi-en) and tegmen consisting of several layers of thin-walled cells (ii-en). g) Transverse orthoslice of fruit of Canrightia sp. from the Famalicão locality (S174149; Famalicão sample 25) with an underdeveloped seed; note thick crystalliferous endotesta (oi-en) and thick-walled cells of meso- and endotegmen (ii-en). Scale bars = 500 μm (a–e); 250 μm (f, g). in Rightcania And Kvacekispermum: Early Cretaceous Seeds From Eastern North America And Portugal Provide Further Evidence Of The Early Chloranthoid Diversification - Friis, Else Marie (2018)