The foot has lateral projections, or " parapodia ".
2.
Ohioense and proximum also have reliable lateral projection that are unequaled in size.
3.
The epichile is rectangular or ovate ( not triangular ), and the lateral projections on the hypochile are broad instead of acute.
4.
A projection on the calcaneum bone called the calcaneal tuber is narrow and positioned downward relative to other lateral projections on the bone.
5.
The epichile is rectangular or ovate ( not triangular as in Houelltia ), and the lateral projections on the hypochile are broad instead of acute.
6.
This could mean the loss of a vital larva key that can be used to sort the forms, and species IE the lateral projections.
7.
The last whorl width is 1.5 x or less of the preceding whorl which is well rounded at lower side . The umbilicus is not very wide, 1 / 8-1 / 7 of diameter . Genitalia : internal ornamentation of proximal penis consisting of more than seven longitudinal pleats, sometimes straight and distinct, sometimes wavy, slender and connected by lateral projections giving a reticulate appearance.
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