43. Larva of comatula rosacea, more advanced.
"On the Origin and Metamorphoses of Insects"
Sir John Lubbock
This attached, plant-like condition of comatula was indeed at first supposed to be a mature form, and was named Pentacrinus; but we now know that it is only a stage in the development of comatula.
"On the Origin and Metamorphoses of Insects"
Sir John Lubbock
It is represented in the present seas by the delicate and rare Pentacrinus caput-medusae of the Antilles, which, with comatula, is one of the few surviving members of the ancient family of the Crinoids, represented by so many extinct genera in the older formations.
"The Student's Elements of Geology"
Sir Charles Lyell