In a message dated 8/17/98 4:49:40 AM Eastern Daylight Time, tlford@ix.netcom.com writes: << What is needed in either BCF and BCF is more Late Triassic, early-Middle Jurassice skeletal elements. >> For purposes of clarity, could we use the acronyms BiCF, for "Birds came first", and BrCF, for "Brooding came first"?