1. The pyramidalis muscle is absent in 20 % of people. 2. The pyramidalis muscle is small and triangular. 3. It affords attachment to the inguinal falx, and to the Rectus abdominis and Pyramidalis . 4. The cultivar'Pyramidalis 'has gained the Royal Horticultural Society's Award of Garden Merit. 5. This species co-occurs with, and is sometimes confused with " Reymondia pyramidalis ". 6. Among the species found is the pyramidal orchid, " Anacamptis pyramidalis ", which is rare in the county. 7. The malady can be avoided, however, by planting A . pyramidalis or A . genevensis, which are not such rampant spreaders. 8. Comparative Anatomy of the Lip Spur and Additional Lateral Sepal Spurs in a Three-Spurred Form ( f . fumeauxiana ) of Anacamptis pyramidalis . 9. ""'Sibogasyrinx pyramidalis " "'is a species of sea snail, a marine gastropod mollusk in the family Cochlespiridae. 10. ""'Reymondia pyramidalis " "'is a species of small freshwater snail, an aquatic gastropod mollusk in the family Paludomidae.