Genus Orthoporus Silvestri, 1897

Orthoporus cavicollis Karsch, 1881

Spirostreptus (Nodopyge) cavicollis Karsch, 1881a . Zeitschrift für die Gesammten Naturwissenschaften, 54: 33; ST MALE/FEMALE (ZMHB 464, 465, 523).

Spirostreptus cavicollis — Brölemann 1898b . Annales de la Société Entomologique de France, 67(3): 331.

Spirostreptus cavicollis — Attems 1914b . Zoologica, Stuttgart, 25(65, 66): 178.

– cavicollis — Moritz & Fischer 1974 . Mitteilungen aus dem Zoologischen Museum in Berlin, 50(2): 357, type specimen catalog, species names listed in alphabetical order.

Spirostreptus cavicollis — Krabbe 1982 . Abhandlungen des Naturwissenschaftlichen Vereins in Hamburg, 24: 442 (nomen dubium).

Orthoporus cavicollis — Hoffman 1996 . Mitteilungen aus dem Zoologischen Museum in Berlin, 72(2): 332, figs. 6–9.

Orthoporus cavicollis — Hoffman 1999 . Virginia Museum of Natural History Special Publication Number 8: 121.

Spirostreptus cavicollis var. sararensis Brölemann, 1898b . Annales de la Société Entomologique de France, 67(3): 331; HT FEMALE (MNHN).

Spirostreptus cavicollis var. sararensis — Attems 1914b . Zoologica, Stuttgart 25(65, 66): 178.

Spirostreptus cavicollis sararensis — Krabbe 1982 . Abhandlungen des Naturwissenschaftlichen Vereins in Hamburg, 24: 442 (nomen dubium).

Spirostreptus antillanus Pocock, 1894 . Journal of the Linnean Society of London, Zoology 24(157): 483, plate 38, fig. 1; Types (BMNH); synonymized by Hoffman 1996. Mitteilungen aus dem Zoologischen Museum in Berlin, 72(2): 332, figs. 6–9.

Gymnostreptus (Orthoporus) antillanus — Attems 1914b . Zoologica, Stuttgart, 25(65, 66): 135.

Orthoporus antillanus — Chamberlin 1918 . Bulletin of the Museum of Comparative Zoology, 62(5): 183.

Orthoporus antillanus — Loomis 1934 . Smithsonian Miscelaneous Collections, 89(14): 12.

Scaphiostreptus antillanus — Attems 1950 . Annalen des Naturhistorischen Museums in Wien, 57: 233.

Orthoporus antillanus — Krabbe 1982 . Abhandlungen des Naturwissenschaftlichen Vereins in Hamburg, 24: 353 (nomen dubium).

Orthoporus antillanus — Krabbe & Enghoff 1984 . Entomologica Scandinavica, 15: 333, figs. 1–8.

Orthoporus grenadae Chamberlin, 1918 . Bulletin of the Museum of Comparative Zoology, 62(5): 183, Types (MCZ); synonymized with antillanus by Krabbe & Enghoff 1984. Entomologica Scandinavica, 15: 333, figs. 1–8; synonymized with cavicollis by Hoffman 1996. Mitteilungen aus dem Zoologischen Museum in Berlin, 72(2): 332, figs. 6–9.

Orthoporus grenadae — Krabbe 1982 . Abhandlungen des Naturwissenschaftlichen Vereins in Hamburg, 24: 354.

Gymnostreptus (Trinidadius) klagesi — Verhoeff 1942 . Archiv für Naturgeschichte, 10(2): 297, figs. 4–5, Types (ZMHB); synonymized by Hoffman 1996. Mitteilungen aus dem Zoologischen Museum in Berlin, 72(2): 332, figs. 6–9 [type species of Trinidadius].

Gymnostreptus (Trinidadius) klagesi — Krabbe 1982 . Abhandlungen des Naturwissenschaftlichen Vereins in Hamburg, 24: 382.

Distribution in Venezuela: Lower Sarare River, without exact locality data; Puerto Cabello, Carabobo State (Karsch 1881a; Attems 1914b).

Orthoporus centralis Silvestri, 1898

Orthoporus centralis Silvestri, 1898 . Anales del Museo Nacional de Buenos Aires, 6: 72; ST FEMALE (ZMUC).

Gymnostreptus (Orthoporus) centralis — Attems 1914b . Zoologica, Stuttgart, 25(65, 66): 135.

Orthoporus centralis — Krabbe 1982 . Abhandlungen des Naturwissenschaftlichen Vereins in Hamburg, (NF) 24: 377, figs. 247a–b.

Orthoporus centralis — Golovatch 1997b . Bulletin de l’institut royal des sciences naturelles de Belgique, Entomologie, 67: 98.

Distribution in Venezuela: Valencia, Carabobo State; Las Trincheras, Carabobo State; La Moka (near Caracas according to Silvestri 1898; 1903), Miranda State (Attems 1914b).

Orthoporus dorsovittatus (Verhoeff, 1938)

Scaphiostreptus dorsovittatus Verhoeff, 1938 . Zoologische Jahrbücher, 71(1/2): 17, plate 2, figs. 16–19; ST (ZSM), ST FEMALE (ZMHB 12571).

Torynopus dorsovittatus — Verhoeff 1942 . Archiv für Naturgeschichte, Zool., Abt. B, Berlin, 10(2): 293; 280, fig. 1, 290 (key).

Scaphiostreptus dorsovittatus — Attems 1950 . Annalen des Naturhistorischen Museums in Wien, 57: 230; in identification key to species of the genus Scaphiostreptus .

– dorsovittatus— Moritz & Fischer 1974. Mitteilungen aus dem Zoologischen Museum in Berlin, 50(2): 360, type specimen catalog, species names listed in alphabetical order.

Orthoporus dorsovittatus — Krabbe 1982 . Abhandlungen des Naturwissenschaftlichen Vereins in Hamburg, 24: 379.

Distribution in Venezuela: Caracas, Miranda State; Maracay, Aragua State (Verhoeff 1938).

Orthoporus linaresi (Mauriès, 1969)

Scaphiostreptus linaresi Mauriès, 1969 . Boletín de la Sociedad Venezolana de Espeleología, 2(1): 38, figs. 2–5, Types (MNHN).

Orthoporus linaresi — Krabbe 1982 . Abhandlungen des Naturwissenschaftlichen Vereins in Hamburg, 24: 382.

Orthoporus linaresi — Hoffman 1996 . Mitteilungen aus dem Zoologischen Museum in Berlin, 72(2): 334.

Distribution in Venezuela: El Guácharo cave, Caripe, Monagas State; La Guayra, Vargas State; Puerto Cabello, Carabobo State (Krabbe 1982).

Orthoporus morechalensis (Causey, 1954)

Chamberlineptus morechalensis Causey, 1954 . Proceedings of the Biological Society of Washington, 67: 57, figs. 4–6; HT MALE (INHS 22), PT FEMALE (INHS 21, 63530) [type species of the genus Chamberlineptus].

Orthoporus americanus — Demange 1970 . Bulletin de l’Institut Fondamental d’Afrique Noire, 32(2): 390 synonymized morechalensis under Orthoporus americanus (= Alloporus americanus Silvestri, 1895b . Annali del Museo Civico di Storia Naturale “Giacomo Doria”, 14: 780) and synonymized. Chamberlineptus under Orthoporus; listed as valid species by Krabbe (1982: 383).

Orthoporus morechalensis — Krabbe 1982 . Abhandlungen des Naturwissenschaftlichen Vereins in Hamburg, 24: 383.

Distribution in Venezuela: ‘Morechal, Delta-Amacuro’, possibly referring to Morichal and to the River (tributary to the Orinoco), Delta-Amacuro State.

Orthoporus rostratus (Voges, 1878)

Spirostreptus rostratus Voges, 1878 . Zeitschrift für Wissenschaftliche Zoologie, 31: 178, fig. 31, Types (GMUG).

Gymnostreptus (Orthoporus) rostratus — Attems 1914b . Zoologica, Stuttgart, 25(65, 66): 136.

Scaphiostreptus rostratus — Attems 1950 . Annalen des Naturhistorischen Museums in Wien, 57: 231; in identification key to species of the genus Scaphiostreptus

Orthoporus rostratus — Krabbe 1982 . Abhandlungen des Naturwissenschaftlichen Vereins in Hamburg, 24: 388.

Distribution in Venezuela: Puerto Cabello, Carabobo State (Attems 1914b).

Orthoporus simplex (Chamberlin, 1952)

Scaphiostreptus simplex Chamberlin, 1952b . Great Basin Naturalist, 12: 27, fig. 14; HT MALE (FMNH 990), type imaged.

Orthoporus simplex — Krabbe 1982 . Abhandlungen des Naturwissenschaftlichen Vereins in Hamburg, 24: 388.

‘ Scaphiostreptus simplex’ — Sierwald et al. 2005. Zootaxa, 1005: 55, listed species under original name, not a nomenclatorial act.

Distribution in Venezuela: near Caracas, Miranda State.

Orthoporus sulcaticollis (Dadday, 1891) Spirostreptus sulcaticollis Daday, 1891b . Természetrajzi Füzetek, 14(3/4): 174, plate 7, figs. 1–3, Types (HNHM). Spirostreptus sulcaticollis — Brölemann 1900 . Mémoires de la Société Zoologique de France, 13: 124. Scaphiostreptus sulcaticollis — Attems 1914b . Zoologica, Stuttgart, 25(65, 66): 94. Scaphiostreptus sulcaticollis — Attems 1928 . Annals of the South African Museum, 26: 341 (in key to species). Orthoporus sulcaticollis — Krabbe 1982 . Abhandlungen des Naturwissenschaftlichen Vereins in Hamburg, 24:

388. Distriubtion in Venezuela: La Guayra, Casoni River (Daday 1891b; Brölemann 1900), possibly Caroni River near the border to Guayana (formerly British Guiana).

Orthoporus vegetus (Silvestri, 1898)

Orthoporus vegetus Silvestri, 1898 . Anales del Museo Nacional de Buenos Aires, 6: 73; HT MALE (possibly in ZMUC).

Gymnostreptus (Orthoporus) vegetus — Attems 1914b . Zoologica, Stuttgart, 25(65, 66): 136.

Orthoporus vegetus — Krabbe 1982 . Abhandlungen des Naturwissenschaftlichen Vereins in Hamburg, 24: 389.

Distribution in Venezuela: Caracas, Miranda State (Attems 1914b).