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Hippodonta gravistriata is distinguished by its rhombic-lanceolate valve shape. The striae of H. gravistriata are uniseriate, while H. hungarica has biseriate striae.

LM scalebar = 10 µm
Hippodonta gravistriata LM2 Hippodonta gravistriata LM1 Hippodonta gravistriata LM4 Hippodonta gravistriata LM6 Hippodonta gravistriata LM5 Hippodonta gravistriata LM3
Length Range
11-21 µm
Width Range
4.0-6.7 µm
Striae in 10 µm
11-13

Hippodonta hungarica

(Grunow) Lange-Bert., Metzeltin and Witkowski 1996

Hippodonta hungarica LM2 Hippodonta hungarica LM1 Gs134565 1 Hippodonta hungarica LM4 Hippodonta hungarica LM3 Hippodonta hungarica LM5 Gs134565 3
Length Range
10-25 µm
Width Range
4.2-6.5 µm
Striae in 10 µm
8-11

Also compare to

Hippodonta luneburgensis

(Grunow) Lange-Bert., Metzeltin and Witkowski