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Figure 4 | Aquatic Biosystems

Figure 4

From: Distribution, genetic analysis and conservation priorities for rare Texas freshwater molluscs in the genera Fusconaia and Pleurobema (Bivalvia: Unionidae)

Figure 4

Historical (before 1940, A) and current (1990-present, B) distribution of Fusconaia askewi in East Texas. Historical data are from Pilsbry [38], Singley [37], Frierson [24], Frierson [36], Frierson [25], Strecker [34], and Bachtel [35]. Current data include authors’ data and literature records [15, 26–33].

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Aquatic Biosystems

ISSN: 2046-9063