phacoid phac·oid (fāk'oid')
adj.
Having the shape of a lentil; lens-shaped.
Pores irregular, roundish; twelve to sixteen on the radius of the phacoid shell, two to three on the breadth of each ring.
Pores regular, circular, of equal size; ten on the radius of the phacoid shell, two on the breadth of each chamber.
Pores regular, circular; a single one on each chamber, ten on the radius of the phacoid shell.
Pores irregular, roundish, of unequal size; eleven on the radius of the phacoid shell, one to two on each chamber.
Resembles Stylodictya arachnia, but differs in the possession of a phacoid shell.
Pores irregular, roundish; five to six on the radius of the phacoid shell, one to two on the breadth of each ring.
phacoid shell twice as broad as the medullary shell, with six pores on its radius, without a perfect chambered ring around it.
Pores regular, circular; eight to nine on the radius of the phacoid shell, two on the breadth of each chamber.
Pores subregular, circular, about nine to ten on the radius of the phacoid shell, three to four on the breadth of each ring.
Pores in the phacoid shell regular, circular, five on its radius; in the chambered spongy girdle much smaller and irregular.