Differs from the other conical species in its much larger size, shell with protoconch of about 1.5 whorls (not 1.75) and small umbilicus (closed in other taxa). There are also radular and anatomical differences.
Phrantela richardsoni Ponder & Clark, 1993
Class Gastropoda
Infraclass Caenogastropoda
Order Littorinida
Suborder Rissoidina
Superfamily Truncatelloidea
Family Beddomeiidae
Original name: Phrantela richardsoni Ponder & Clark, 1993. In Ponder, W. F., Clark, G. A., Miller, A. C & Toluzzi, A. (1993). On a major radiation of freshwater snails in Tasmania and eastern Victoria - a preliminary overview of the Beddomeia group (Mollusca: Gastropoda: Hydrobiidae). Invertebrate Taxonomy, 7: 501-750.
Type locality: Small tributary of Olga River, Tasmania (42°51'02"S., 145°39'21''E).
This species lives in black, sticky mud. Egg capsules unknown but probably like those of an unnamed species of Phrantela; small, with single embryo, and covered in coarse sand grains. Development direct.
This species is known from a small tributary of Olga River, southwest Tasmania.
Ponder, W. F., Clark, G. A., Miller, A. C. & Toluzzi, A. (1993). On a major radiation of freshwater snails in Tasmania and eastern Victoria: a preliminary overview of the Beddomeia group (Mollusca: Gastropoda: Hydrobiidae). Invertebrate Taxonomy 7: 501-750.
