Checklist for Class Arachnida Lamarck, 1801 (Arachnids) and region Powder River County (Montana, USA)
List of families for Powder River County 8 Families width 9 Species
Genera for Powder River County 10 Genera with 9 Species | Mecaphesa Simon, 1847 | | 1 | Species | Taxom | | Pardosa C. L. Koch, 1877 | Thin-legged Wolf Spider | 1 | Species | Taxom | | Pelegrina Franganillo, 1951 | White-Cheeked Jumping Spiders | 1 | Species | Taxom | | Phalangium Linnaeus, 1761 | | 1 | Species | Taxom | | Philodromus Walckenaer, 1826 | Running Crab Spider | 1 | Species | Taxom | | Steatoda Sundevall, 1901 | False black widows | 1 | Species | Taxom | | Tetragnatha Latreille, 1842 | Four-jawed spider | 1 | Species | Taxom | | Theridion Walckenaer, 1901 | Tangle-Web Spiders | 1 | Species | Taxom | Vaejovis Koch, 1836 | | 0 | Species | Taxom | | Xysticus Koch, 1880 | Ground Crab Spider | 1 | Species | Taxom |
Species list for Powder River County 9 Species | Mecaphesa asperata Nicholas Mar..., 1847 | Crab Spiders | | Pardosa uncata (Tord Tamerla..., 1877) | ⇒ Pardosa algoides Ehrenfried S..., 1963 | | Pelegrina clemata Levi & Herbe..., 1951 | | | Phalangium opilio Linnaeus, 1761 | Brown daddy-long-legs | | Philodromus rufus (Walckenaer, 1826) | ⇒ Philodromus albidus Wladislaus K..., 1911 | | Steatoda grandis (Richard C. B..., 1901) | ⇒ Steatoda mexicana Herbert Walt..., 1957 | | Tetragnatha versicolor Walckenaer, 1842 | | | Theridion neomexicanum Richard C. B..., 1901 | | | Xysticus triguttatus Keyserling, 1880 | Three-banded Crab Spider |
Subnodes of Arachnida with occurrences in Powder River County
 | | Arachnida (Lamarck 1801) |
Links, sources and further information Arachnida at biolcoll.utu.fi Arachnida at wiki.spinnen-forum.de Arachnida at spiderling.de Arachnida at wsc.nmbe.ch Arachnida at artfakta.se Arachnida at biodiversity.org.au Arachnida at dyntaxa.se Arachnida at gbif.org Arachnida at irmng.org Arachnida at itis.gov Arachnida at marinespecies.org
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