Key: Step 65. Tanypodinae 51 Conchapelopia

65a. Plastron plate generally larger (150x50-202x112µm), elongate oval; marginal pores usually distinct in the narrow part of the rim; rim often difficult to distinguish where it gets wider on the opposite side to the pores (015e.jpg).

Conchapelopia aagaardi

65b. Plastron plate generally smaller, rounded oval (100x50-170x80µm) or somewhat triangular (e.g. 125x120µm); marginal pores apparently crimped under the edge of the plastron plate and rarely visible; rim evanescent (015g.jpg).

Conchapelopia spec-Lappland
Decision path