TRISTOMID^ Cobbold, 1877f, 326; 1879b, 4.— Braun, 1890a, 516, 517, 519, 523, 
526, 538; 1893a, 889; 1896b, 7.— Cerf., 1894, 946, 948; 1894k, 936-948, figs. 
1-6; 18941, 175; 1895a, 21; 1895b: 1898b, 361; 1899a, 411.— Haswell, 1887a, 
294, 299; 1892a, 457; 1893e, 114, 125.— Hoyle, 1890, 539 (Tristomum).— 
Jackson, 1888, 653 (Tristomum).— Mont., 1888a, 7, 15, 16, 19, 23, 30, 31, 34, 35, 
67,86.87, 88,96, 107, 108; 1891, 101, 108, 111,122; 1891, 99-134, 1 fig., pis. 5-6, 
41 figs.; 1892, Jan. 15, 99-134, 1 fig., pis. 5-6, figs. 1-41; 1892, Oct. 7 (fam. of 
Eterocotylea; contains Tristominae, Encotyllabinae, Udonellinae); 1893, 21; 
1899, 77; 113; 1903, 335 (contains subf. Tristominae (g. Tristomum, Trocbopus 
[=Placunella] ; 2. Acanthocotylinae (g. Acantliocotyle); 3. Ancp'ocotylinae 
(g. Ancyrocotyle, Epibdella [=Phylonella] , Xitzschia); 4. Encotyllabinse 
(g. Encotyllabe) ; 1905, 68. — ^]^luehl., 1898, 17. — Pratt, 1900, 646 (includes: 
Tristominae, Encotyllabinae, Udonellinae), 648. — St.-Pemy, 1891, 55 pp., 2 
pis.; 1891, 11 May, 1072-1074 (eenital organs); 1892, 30 May, 702-703; 1892?, 
1-55; 1892, 2 Oct., 615-616; 1898, 522, 532.— Sclineidemdelil, 1896, 296.— 
Scott, 1901, 141. — Stoss., 1898, 5. — Tasch., 1879, (of Ben.) 68; 1879, 235. 
TRISTOMIDEA Cams, 1863, 477.— Mont., 1888a, 84. 
TRISTOMIDES Tasch., 1879, 235. — E. BE, 1888a, 541 (embraced in Polystomiens). — 
Mont., 1888a, 86. 
TRISTOMIDI Mont., 1892g, 99-134, figs. 1-41, for Tristomidae. 
TRISTOMII E. BL, 1847. 321. 
TRISTOMIXH^ Braun, 1893a, 889. — ^Mont., 1892, Oct. 7, 213 (subf. of Tristomidae, 
contains Tristomum, Xitzschia, Epibdella, Trochopus, Acanthocotyle) ; 1899, 
81, 113; 1903, 335 (f. Tristomidae). — Pratt, 1900, 646, 648 (includes: Tristoma, 
Xitzschia, Epibdella, Phyllonella, Trochopus, Acanthocotyle, Placunella). — 
St.-Remy, 1898, 532. 
TRISTO^kfClM, see Tristoma. 
TRISTOMUX Mont., 1888a, 28 (for Tristomum). 
TRISTOXEM Setti, 1899, 84, for Tristomum. 
TROCHOPUS Dies., 1850a, 290, 428 (m. longipes) [not Carpenter, 1898, insect]; 
1858e, 313, 365.- — Ben., 1858a, 1861a, 38. — Ben. & Hesse, 1864, 66, 74. — Braun, 
1890a, 411, 412, 415, 451, 465, 469, 511, 515, 516, 517, 519, 523, 526, 528; 1891d, 
422; 1893a, 889. — Burm., 1856a, 251. — Gamb., 1896a, 73. — Goldb., 1855a, 
20. — ^klassa, 1903, 252-255; 1906, 43-71 (sjms.; Capsala Xord., Tiist. Tasch., 
Placunella Ben. & Hesse). — Mont., 1888a, 7, 10. 11, 13, 52, 66, 86, 87, 97; 
1891, 105, 107, 111, 124, 125; 1892, Oct. 7, 213 (gen. of Tristominae); 1899, 
98; 1903, 335 =Placunella (subf. Tristominae: f. ITistomidae). — Pratt, 1900, 
646, 648 (key).— Scott, 1901, 143; 1901. in 120-153, 2 pis.— St.-Remv, 1898, 
534.— Sons., 1891, 260-261.— Stoss., 1898, 7.— Tasch., 1878, 566 (s^m. of 
Tiistomum). 
differens Sons., 1891, 261 (in Canthams lineatus Mont.). — Braun, 1891d, 422. — 
Massa, 1903, 255 (in C. lin.); 1906, 44, 46, 53, 60-61, 65, pi. 2, figs. 24, 25, 26 
(s^m. T. longipes Sons., 1890) (in C. lin.; Pisa). 
diplacanthus Massa, 1903, 254 (in Trigla hhiindo): 1906, 45, 46, 53, 56, 64, 65, 66, 
pi. 2, figs. 3, 4, pi. 3, fig. 33 (sATL. Placunella pini Scott, 1901) (in T. hh\; 
Scotland). 
exachanthus Par. & Pemgia, 1889. — Massa, 1903, 255 (in Serranus gigas). — For 
hexacanthus. 
heteracanihus Massa, 1903, see heterachanthus. 
heterachanthus 'Sla.ssa., 1903, 252, 254 (in Trigla corax); 1906, 46 (heteracanthus), 
48, 51, 53, 55, 57, 62, pi. 2, figs. 8. 9, 10, 11, pi. 3, figs. 27, 31, 37, 38, 39, 40, 
41 (syns. : T. longipes Sons., T. tubiporus Sons.) (in Trig, co.; Xaples). 
hexacanthus (Par. & Pemgia, 1889) Massa, 1906, 45, 46, 47, 53, 59-60, 65, pi. 2, 
figs. 15, 16, 17, pi. 3, figs. 28, 36 (hi Serranus gigas; Genova). 
lineatus Scott, 1901, 143-144, pi. 8, fig. 18 (in Trigla lineata; Clyde); 1905, 118. — 
Massa, 1903, 254 (in Trigla lineata) ; 1906, 45, 46, 52, 61, pi. 2, figs. 5, 6, 7, pi. 
3, figs. 32, 35 (in Trigla lineata; Scotland). 
longipes Dies., 1850a, 428 (= Trist. tubiporum 1835, renamed) (in Trigla hirundo); 
1858e, 365. — Ben. & Hesse, 1863, 75; 1864, 75 (s^m. of T. tubiporus). — ICroyer, 
1838-40a, 582 (in Trig. hh.). — ^Massa, 1906, 53, 55 (s^m. of T. tubiporus Dies.), 
60 (of Sons., 1890) (s\m. of T. differens Sons.), 62 (satl. of T. heteracanthus 
Massa).— Mont., 1891, 123, 124.— Sons., 1891, 260, 261.— Stoss., 1898, 7 (in 
Trig, hir.; Triest). — Tasch., 1878, 564, 565, 568 (s>m. of T. tubiporum). 
