1. Cuds can assume a wide variety of shapes including ovoid, crescentic, and irregular.

2. Barchan dunes are crescentic dunes with a slipface and two horns that point downwind (see Chapter 11.11)

3. These crescentic Androecia, as Leitgeb notes, should not be confused with the dichotomous Androecia occasionally found in Lunularia, wbere two growing points are involved

4. The Bluethroat is aobut 14 centimetres (5 1/2 inches) long and has a bright blue throat, incorporating a crescentic spot of red or white, depending on the subspecies

5. Resulting deposition of drift material (4) at the meeting point of the lines (1) and corresponding accretions (5) of the coastline (6) at intervals along the coast resemble a natural crescentic bar system and stabilize the coast.

6. Is the commonest intertidal species in NE Brazil; it is distinguished from other Brazilian Reptadeonella in having a nodular peristome, large subperistomial areolar pore and zooids with one or two frontal pores frequently replaced by a suboral Avicularium and crescentic spiramen.