New York: Albany: Hudson River at Albany (DeKay, 1842:7); Mohawk River at Cohoes (Eights in Bishop, 1923:120). Cattaraugus: Allegheny River and Red House Lake in Allegheny State Park (Eaton, 1945:115). Chautauqua: Lake Chautauqua (DeKay, loc. cit.). Monroe: Braddocks Bay and Long Pond on Lake Ontario (Wright, 1919:8). Saratoga: Hudson River near Baker's Falls (restricted locality, Rafinesque, 1832:64). County unknown: Lake Cayuga; Mohawk River (DeKay, loc. cit.).
Ohio (Conant, 1951:158-59, 264, except records from Allen, Geauga and Noble counties): Allen: Sugar Creek, 6 mi. N Lima (Adler and Dennis, 1960:27). Ashland: Long Lake, Lake Twp.; Black Fork, Sec. 27, Green Twp. Athens: Hocking River "near" Athens; "near" Fisher, Alexander Twp. Auglaize: Pusheta Creek, west of Wapakoneta. Brown: White Oak Creek, 1 mi. N Higginsport. Butler: Oxford. Champaign: Mad River, 4 mi. SW Urbana. Coshocton: Walhouding River, below dam. Defiance: Auglaize River, Shawnee Scout Camp, Defiance Twp. Erie: Huron; Sandusky. Fairfield: Buckeye Lake. Franklin: Alum Creek, Westerville; Columbus. Geauga: Chardon Twp. (Wood, 1959:8). Greene: Huffman Dam. Hamilton: Harrison; mouth of Miami River. Hardin: "near" Hepburn. Henry: Maumee River, east of Napoleon; Maumee River "near" Texas; Maumee River, 3 mi. W Texas. Highland: Little Brush Creek, 2 mi. N Sinking Spring. Huron: Huron River "near" Monroeville. Jackson: Canter's Cove, Jackson Twp.; Jackson Lake. Knox: Brinkhaven. Lake: east branch Chagrin River, Kirtland; Grand River, 4 mi. E Painesville. Lawrence: Pine Creek, Elizabeth Twp. Logan: Miami River, "near" Indian Lake. Lorain: Oberlin. Lucas: Lake Erie at Reno Beach, Jerusalem Twp.; Lake Erie, 1/2 mi. offshore from mouth of Crane Creek; Maumee River at Maumee; Swan Creek, W of Toledo; "near" Waterville; Swan Creek "near" Whitehorse. Madison: London. Medina: [497] Hinckley Lake. Meigs: Shade River, below Darwin. Miami: Miami River, above Troy. Monroe: Cranenest Fork, Green Twp. Montgomery: Mad River, Dayton; Miami River, Dayton; Stillwater River, Dayton. Morrow: Kokosing River, Franklin Twp. Noble: Jct. Sharon Twp. 1 and St. Rt. 78. (Adler and Dennis, 1960:27). Ottawa: East Harbour, Catawba Island. Pike: Chenoweth Fork, Sunfish Twp.; Scioto River, Camp Creek Twp. Ross: Paint Creek near Bainbridge. Vinton: Lake Hope; Lake Alma. Warren: Fort Ancient. Washington: Dam No. 2, Muskingum River, "near" Marietta. Williams: 1 mi. S Blakesley; St. Joseph River "near" Blakesley; West Branch, St. Joseph River, Sec. 8, Bridgewater Twp.; Edgerton. Wood: Grand Rapids; Grassy Creek, Rossford; Haskins; Maumee River opposite Toledo.
Pennsylvania: Allegheny: Monongahela River above McKeesport (Atkinson, 1901:154); Ohio River at Pittsburgh (Wied-Neuwied in Stejneger, 1944:44, 49). Armstrong: (Swanson, 1952:165). Clarion: Clarion River "near" Clarion (Allen, 1955:228); Foxburg (= Foxbury?, Boulenger, 1889:260). Crawford: Elk: Erie: Edinboro Lake. Forest: (Swanson, loc. cit.). Indiana: Plum Creek; Crooked Creek (Netting in Stejneger, 1944:48). McKean: (Swanson, loc. cit.). Somerset: Stoyestown (Surface, 1908:122). Warren: Venango: Allegheny River south of Franklin (Swanson, loc. cit.).
Tennessee: Chester: South Fork, Forked Deer River just E Henderson (Endsley, 1954:40). Clay: Mill Creek, 3 mi. from Butler's Landing; Obey River above mouth of Wolf River at Lilydale; mouth of Wolf River (Shoup, Peyton and Gentry, 1941:75); Iron Creek "near" Willow Grove (Stejneger, 1944:56). Fentress: Jackson: (Gentry, 1941:332). Lake: Reelfoot Lake (Parker, 1948:29). Obion: Walnut Log (Parker, 1937:85); east shore of Reelfoot Lake, Samburg (Rhoads, 1895:386). Overton: Medlock Branch, tributary of West Fork Obey River north of Allred (Shoup, Peyton and Gentry, loc. cit.). Roane: 2 mi. S Kingston (Stejneger, 1944:55).
Vermont: Chittenden: Lake Champlain, mouth of Winooski River; "near" Burlington; Milton (= Minton) (Babcock, 1919:420). Franklin: Swanton (Stejneger, 1944:55).
West Virginia: Randolph: Tygart River at Elkins (Green, 1937:116).
Wisconsin: Burnett: Crawford: (Pope and Dickinson, 1928:83). Dane: Lake Wingra, Madison (Noland, 1951:54). Grant: (Pope and Dickinson, loc. cit.). Green Lake: Berlin (AMNH 6840-41, listed in card file March 2, 1959). Jefferson: Lake Mills (Dickinson, 1950:75). La Crosse: West Salem (Pope, 1930:281). Oneida: Pepin: (Pope and Dickinson, loc. cit.). Racine: Eagle Lake (Edgren, 1944:498); Burlington; Rochester (Stille and Edgren, 1948:201). Sheboygan: Sheboygan (KKA). Trempealeau: Vernon: "near" Viroqua (Pope, loc. cit.). Walworth: Lake Beulah (Dickinson, loc. cit.). Washburn: (Pope and Dickinson, loc. cit.). Waukesha: Lac La Belle (Cahn, 1929:8). Winnebago: Wolfe River (Dickinson, loc. cit.).
Trionyx spinifer hartwegi (Conant and Goin)
Western Spiny Softshell
Amyda spinifera hartwegi Conant and Goin, Occas. Papers Mus. Zool. Univ. Mich., No. 510:1, pl. 1, map 1, June 15, 1948.