The fructification of Czekanowskia and its allies

• Published in: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
• Format: Article in Journal/Newspaper
• Language: English
• Published: The Royal Society 1951
• Subjects: Greenland
• Online Access: http://dx.doi.org/10.1098/rstb.1951.0006; https://royalsocietypublishing.org/doi/pdf/10.1098/rstb.1951.0006

Leptostrobus cancer n.sp. is described from well-preserved but broken material occurring in the Yorkshire Inferior Oolite (Middle Deltaic). Its fruiting appendages prove to be two-valved capsules, each valve housing a row of small seeds, probably of inverted orientation and with apical archegonia. The new facts have led to a reinterpretation of Leptostrobus , and it is now recognized that the Greenland Liassic fossil Microcheiris enigma is the same as Leptostrobus longus . Circumstantial evidence is adduced for referring L. cancer to Solenites vimineus (also called Czekanowskia murrayana ) and other species of Leptostrobus to other species of Czekanowskia . Leptostrobus , as now understood, cannot be placed in any existing family, but for reasons of convenience no new family is at present instituted.