CHARACTER 13: Shape of spermathecae.
Spermathecae with two seminal receptacles separated or only partly fused = 1.
FIGURE: Cyrtopholis flavostriatus Schmidt, 1995. Unilobular spermathecae (offspring of holotype female), ventral view.
FIGURE: Grammostola pulchripes (Simon, 1891). Spermathecae, ventral view.
FIGURE: Aphonopelma seemanni (Cambridge, 1897), Costa Rica. Spermathecae, ventral view.
Spermathecae widely fused (the fusion zone is half or more than spermathecal length) = 2.
FIGURE: Brachypelma auratum Schmidt, 1992. Spermathecae, ventral view.
FIGURE: Acanthoscurria geniculata (C. L. Koch, 1842). Spermathecae, ventral view.
Spermathecae with single semicircular or oval receptacle = 4.
FIGURE: Theraphosa blondi (Latreille, 1804). Spermathecae, ventral view.
FIGURE: Megaphobema robustum (Ausserer, 1875). Spermathecae, ventral view.
FIGURE: Sericopelma melanotarsum Valerio, 1980, Costa Rica. Spermathecae.
FIGURE: Hapalotremus sp., Peru. Spermathecae, ventral view.
FIGURE: Chromatopelma cyanopubescens (Strand, 1907). Spermathecae, ventral view.
Spermatecae with single slender receptacle = 5.
FIGURE: Bonnetina cyaneifemur Vol, 2000, Mexico. Spermathecae.
Single fused spermathecae, mostly flattened and structured at apex = 6.
FIGURE: Davus sp., Mexico, Oaxaca state. Spermathecae, ventral view.