Cuspidarioidea Dall 1886
Creators: name: Gofas, Serge
name: Luque, Ángel A.
name: Oliver, Joan Daniel
name: Templado, José
name: Serrano, Alberto
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia

description: Key to genera and species of the superfamily Cuspidarioidea found on GB
1. Sculpture with definite radial ribs ..................................................................................................... 2
– Sculpture only commarginal (may include faint ridges from umbo to posterior part), or surface of shell smooth .................................................................................................................................. 3
2. Two strong radial ribs on posterior half, anterior with commarginal undulations .............................. .................................................................................. Myonera paucistriata Dall, 1886 (Fig. 41A‒C)
– Numerous fine radial ribs on posterior half ...... Cardiomya cadiziana M. Huber, 2010 (Fig. 41G‒I)
3. Posterior rostrum short and stout ...................................................................................................... 4
– Posterior rostrum tapering ................................................................................................................ 6
4. Shell inflated, smooth and glossy ................. Jeffreysomya truncata (Jeffreys, 1882) (Fig. 41D‒F)
– Shell compressed, with marked growth lines and wrinkles on posterior part .................................. 5
5. An anterior lateral tooth on the right valve ......................................................................................... ........................................................... Protocuspidaria verityi Allen & Morgan, 1981 (Fig. 43 D‒G)
– No teeth on either valve .................. Protocuspidaria simplis Allen & Morgan, 1981 (Fig. 43 H‒K)
6. Hinge of right valve with a small knob-like cardinal and no lateral teeth; posterior rostrum pointed, not definitely distinct from rest of the shell .... Halonympha depressa (Jeffreys, 1882) (Fig. 43 A‒C)
– Hinge of right valve with at least one (posterior) lateral tooth ............................................................7
7. Hinge of right valve with anterior and posterior lateral teeth (genus Rhinoclama) ......................... 8
– Hinge of right valve with only a posterior lateral tooth ...................................................................... ....................................................................... Cuspidaria cf. rostrata (Spengler, 1793) (Fig. 42G‒I)
8. Posterior part of shell (excluding rostrum) with widely spaced commarginal cordlets; anterior lateral long and lamellar ...................................... Rhinoclama semistrigosa (Jeffreys, 1882) (Fig. 42D‒F)
– Posterior part of shell (excluding rostrum) with growth lines only; anterior lateral short and bulging ................................................................... Rhinoclama teres (Jeffreys, 1882) (Fig. 42A‒C)
description: Published as part of Gofas, Serge, Luque, Ángel A., Oliver, Joan Daniel, Templado, José & Serrano, Alberto, 2021, The Mollusca of Galicia Bank (NE Atlantic Ocean), pp. 1-114 in European Journal of Taxonomy 785 (1) on pages 86-87, DOI: 10.5852/ejt.2021.785.1605, http://zenodo.org/record/5798418