[1] Only one female has been described; this was captured in the Florida Keys, but is likely to have been imported from Mexico.

[2] The single described female of Tliltocatl aureoceps has a body length of 55 mm.

The carapace, legs and abdomen have fine golden brown hairs; the legs and abdomen have in addition longer yellowish hairs (setae).

The collection number (MCZ 43) suggests that it was acquired by the Museum of Comparative Zoology before 1870.

Smith suggests that the spider may have been imported with building material from Mexico during the construction of Fort Jefferson, as it appears to be a typical Mexican species of what was then the genus Brachypelma.