Biology:Titanoeca

Titanoeca is a genus of spiders in the family Titanoecidae.

Distribution

Spiders in this genus are found mainly in Eurasia, with three species found only in North America (T. americana, T. brunnea, T. nigrella). One species (T. nivalis) has a holarctic distribution, and T. guayaquilensis is endemic to Ecuador.

The species formerly known as Titanoeca obscura was renamed to T. quadriguttata.

Species

As of January 2026, this genus includes 31 species:

• Titanoeca altaica Song & Zhou, 1994 – China
• Titanoeca americana Emerton, 1888 – North America
• Titanoeca asimilis Song & Zhu, 1985 – Russia (South Siberia), Kazakhstan, Mongolia, India, China
• Titanoeca brunnea Emerton, 1888 – Canada, United States
• Titanoeca caspia Ponomarev, 2020 – Russia (Europe, Caucasus)
• Titanoeca caucasica Dunin, 1985 – Turkey, Caucasus (Russia, Georgia, Azerbaijan), Iran
• Titanoeca deltshevi Naumova, 2019 – Bulgaria
• Titanoeca eca Marusik, 1995 – Kazakhstan
• Titanoeca flavicoma L. Koch, 1872 – France (Corsica), Italy, Albania, North Macedonia, Bulgaria, Greece, Turkey, Israel
• Titanoeca gyirongensis Hu, 2001 – China
• Titanoeca hispanica Wunderlich, 1995 – Spain, France
• Titanoeca incerta (Nosek, 1905) – Turkey
• Titanoeca intermedia Caporiacco, 1934 – Pakistan, India
• Titanoeca lehtineni Fet, 1986 – Central Asia, Iran?
• Titanoeca lianyuanensis Xu, Yin & Bao, 2002 – China
• Titanoeca liaoningensis Zhu, Gao & Guan, 1993 – Russia (South Siberia), Mongolia, China
• Titanoeca mae Song, Zhang & Zhu, 2002 – Russia (South Siberia), China
• Titanoeca minuta Marusik, 1995 – Kazakhstan
• Titanoeca monticola (Simon, 1870) – Portugal, Spain, France, Italy
• Titanoeca nigrella (Chamberlin, 1919) – Canada, United States, Mexico
• Titanoeca nivalis Simon, 1874 – North America, Scandinavia, Pyrenees (Spain, France), Alps (France, Switzerland, Austria, Italy), Georgia, Russia (Middle Siberia to Far East)
• Titanoeca praefica (Simon, 1870) – Portugal, Spain, France, Algeria, Russia (Europe)
• Titanoeca quadriguttata (Hahn, 1833) – Europe, Russia (Europe to South Siberia), Kazakhstan, China
• Titanoeca schineri L. Koch, 1872 – Europe, Turkey, Caucasus, Russia (Europe to South Siberia), Iran, Central Asia
• Titanoeca sharmai (Bastawade, 2008) – India
• Titanoeca sibirica L. Koch, 1879 – Russia (Europe to Far East)
• Titanoeca spominima (Taczanowski, 1866) – Sweden, Finland, Central Europe, Serbia, Albania, Ukraine, Russia (Europe)
• Titanoeca tristis L. Koch, 1872 – Europe, Turkey, Caucasus
• Titanoeca turkmenia Wunderlich, 1995 – Albania, Bulgaria, Greece, Russia (Europe), Kazakhstan, Iran, Turkmenistan
• Titanoeca ukrainica Guryanova, 1992 – Ukraine, Russia (Europe, Caucasus), Georgia, Iran
• Titanoeca veteranica Herman, 1879 – Central, South-eastern and Eastern Europe, Russia (Europe to South Siberia), Azerbaijan, Kazakhstan, Turkmenistan

References

Wikidata ☰ Q3007237 entry