Anthony A. Echelle (28 Dec 1978). "The Pecos River Pupfish, Cyprinodon pecosensis n. sp. (Cyprinodontidae), with Comments on Its Evolutionary Origin". Copeia (بالإنجليزية). 1978 (4): 569. DOI:10.2307/1443683. ISSN:0045-8511. JSTOR:1443683. QID:Q95633061.
Anthony A. Echelle (28 Dec 1978). "The Pecos River Pupfish, Cyprinodon pecosensis n. sp. (Cyprinodontidae), with Comments on Its Evolutionary Origin". Copeia (بالإنجليزية). 1978 (4): 569. DOI:10.2307/1443683. ISSN:0045-8511. JSTOR:1443683. QID:Q95633061.
Anthony A. Echelle (28 Dec 1978). "The Pecos River Pupfish, Cyprinodon pecosensis n. sp. (Cyprinodontidae), with Comments on Its Evolutionary Origin". Copeia (بالإنجليزية). 1978 (4): 569. DOI:10.2307/1443683. ISSN:0045-8511. JSTOR:1443683. QID:Q95633061.
worldcat.org
Anthony A. Echelle (28 Dec 1978). "The Pecos River Pupfish, Cyprinodon pecosensis n. sp. (Cyprinodontidae), with Comments on Its Evolutionary Origin". Copeia (بالإنجليزية). 1978 (4): 569. DOI:10.2307/1443683. ISSN:0045-8511. JSTOR:1443683. QID:Q95633061.
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موقع زيبكودزو (بالإنكليزية) Zipcodezoo بطحيش بيكوسي تاريخ الولوج 25 أيار 2015