(Cork-lid Trapdoor Spiders)

The spider family Halonoproctidae, commonly known as Cork-lid Trapdoor Spiders, have been sighted 47 times by contributing members. Based on collected data, the geographic range for Halonoproctidae includes 2 countries and 13 states in the United States. Halonoproctidae is most often sighted outdoors, and during the month of January.

Taxonomic Hierarchy

  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Class: Arachnida
  • Order: Araneae
  • Suborder: Mygalomorphae
  • Family: Halonoproctidae

Other Common Names

Cork-lid Trapdoor Spiders


Pocock, 1901

Sightings Overview

There have been 47 confirmed sightings of Halonoproctidae (Cork-lid Trapdoor Spiders), with the most recent sighting submitted on July 31, 2019 by Spider ID member lore8300. The detailed statistics below may not utilize the complete dataset of 47 sightings because of certain Halonoproctidae sightings reporting incomplete data.

  • Web: 4% of the time, Halonoproctidae spiders are sighted in a spider web (Sample size: 47)
  • Sex:¬†3 female and 21 male.
  • Environment:¬†Halonoproctidae has been sighted 42 times outdoors, and 10 times indoors.
  • Outdoors: Man-made structure (25). Low foliage (3). High foliage (1). Ground layer (9). Under rock or debris (1). Open field, pasture, grassland (2). Forest (1).

Location and Range

Halonoproctidae (Cork-lid Trapdoor Spiders) has been sighted in the following countries: Mexico, United States.

Halonoproctidae has also been sighted in the following states: Alabama, Arkansas, California, Georgia, Kentucky, Mississippi, Missouri, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Virginia.


Halonoproctidae has been primarily sighted during the month of January.

  • January: 13
  • February: 4
  • March: 6
  • April: 7
  • May: 3
  • June: 4
  • July: 1
  • August: 1
  • September: 2
  • October: 3
  • November:
  • December: 3

Genus: Bothriocyrtum

Genus: Cyclocosmia

Genus: Ummidia

Featured Pictures

Picture of Halonoproctidae (Cork-lid Trapdoor Spiders) - Lateral Enlarge Picture
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