The American pine marten is currently considered a single species (Martes americana) that comprises a number of morphologically differentiated subspecies across North America.Two distinct subgroups are recognized: the "americana" group from eastern North America and the "caurina" group from the Pacific Northwest and the Great … [1] Referencias Bibliografía. Distribución geográfica. Martes americana caurina es una subespecie de mamíferos carnívoros de la familia Mustelidae, subfamilia Mustelinae. Se encuentran en Norteamérica. Accuracy in molecular sexing of martens (Martes americana and Martes caurina) varies among sample types. Are there two species of Pine Marten in North America? GRANT M. CAMPBELL 1, JONATHAN N. PAULI 1,2, JOSHUA G. THOMAS 1 … They are also one of only two in the genus Martes located in North America, the other being the large-bodied fisher (Martes pennanti) (Buskirk & Zielinski, 1998).They are most predominately located in boreal forests stretching from Alaska to the coast of Newfoundland. Description of twenty-six new species of North American mammals. Lutra lutra, muscles, DNA, sex determination analysis, Martes americana, researchers Abstract: We evaluated the accuracy of sex identification using the SRY marker for American marten (Martes americana) and Pacific marten (Martes caurina) using samples collected from commercial trappers and those obtained via noninvasive sampling. We evaluated the accuracy of sex identification using the SRY marker for American marten (Martes americana) and Pacific marten (Martes caurina) using samples collected from commercial trappers and those obtained via noninvasive sampling. Accuracy in molecular sexing of martens (Martes americana and Martes caurina) varies among sample types. Merriam, C. H., 1890. Out of five species of true marten, the American marten is the only species found in North America (Chapman & Feldhamer, 1982).