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Hippodonta coxiae can be confused with H. capitata subsp. iberoamericana, which is similar in size and valve shape, but has broader biseriate striae, which are also more strongly radiate at the valve center.

LM scalebar = 10 µm
Hippodonta coxiae LM3 Hippodonta coxiae LM4 Hippodonta coxiae LM2 Hippodonta coxiae LM1 Hippodonta coxiae LM7 Hippodonta coxiae LM6 Hippodonta coxiae LM5
Length Range
16.3-20.6 µm
Width Range
4.2-5.2 µm
Striae in 10 µm
11-13

Hippodonta capitata subsp. iberoamericana

Metzeltin, Lange-Bert. and García-Rodríguez 2005

Gs127032  Hiiber 4 Gs127032  Hiiber 7 Gs127032  Hiiber 1 Gs127032  Hiiber 8 Gs127032  Hiiber 3 Gs127032  Hiiber 5 Gs127032  Hiiber 6
Length Range
16-22 µm
Width Range
4.5-5.4 µm
Striae in 10 µm
10-11