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Fig. 4 | Helgoland Marine Research

Fig. 4

From: In the Asia-Pacific region, the COI DNA test revealed the divergence of the bivalve mollusc Mactra chinensis into three species; can these species be distinguished using shell coloration and sperm structure?

Fig. 4

Mustard (1–4) and brownish (5–8) shell colors found in samples of the bivalve mollusc Mactra chinensis belonging to the same genetic clade (clade COI III); collection of Dr. J. Zhang. 1–4 correspond to samples collected in the Yellow Sea near Yantai (ABCBF460-19, ABCBF461-19, ABCBF462-19, ABCBF463-19) (Table 1, green, column—‘present study; Fig. 2, green and bold), and 5–8 correspond to samples collected in the Yellow Sea near Weihai (MT791493, MT791494, MT791495, MT791496) (Table 1, green, column—‘present study’; Fig. 2, green and bold). Scale bar = 1 sm

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