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Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Malacostraca
Order: Decapoda
Superfamily: Paguroidea
Family: Pylojacquesidae
McLaughlin & Lemaitre, 2001
  • Pylojacquesia colemani McLaughlin & Lemaitre, 2001
  • Lemaitreopsis holmi McLaughlin, 2007

The Pylojacquesidae are a small family of hermit crabs, comprising only two species in two genera.[1] The family was erected in 2001, after two specimens at Museum für Naturkunde at the Humboldt-Universität zu Berlin were recognised as being quite distinct from other described hermit crabs. The family members differ from other hermit crabs in that their mandibles are chitinous and toothed.[2]

Pylojacquesia colemani[edit]

Pylojacquesia colemani was described in 2001,[3] based on two specimens discovered in the Museum für Naturkunde (natural history museum) at the Humboldt-Universität zu Berlin. The specimens had been collected in 1875 by the S.M.S. Gazelle at 26°51.1′S 153°29.6′E / 26.8517°S 153.4933°E / -26.8517; 153.4933 in the Coral Sea, off the coast of Brisbane, Australia. It lives in the tubes secreted by serpulid worms of the genus Protula (Annelida: Serpulidae) in sandy areas of the continental shelf.[2] The specific epithet commemorates Charles Oliver Coleman, curator of Crustacea at the Museum für Naturkunde.[3]

Lemaitreopsis holmi[edit]

Lemaitreopsis holmi was described in 2007, based on a single female collected on September 20, 1986, at 22°40.39′S 167°41.39′E / 22.67317°S 167.68983°E / -22.67317; 167.68983 near the Isle of Pines, New Caledonia.[4] The genus name Lemaitreopsis commemorates Rafael Lemaitre of the Smithsonian Institution, while the specific epithet commemorates the malacologist George P. Holm.[4] The holotype is kept at the Muséum national d'histoire naturelle in Paris.[4]


  1. ^ Patsy A. McLaughlin, Tomoyuki Komai, Rafael Lemaitre & Dwi Listyo Rahayu (2010). Martyn E. Y. Low and S. H. Tan, ed. "Annotated checklist of anomuran decapod crustaceans of the world (exclusive of the Kiwaoidea and families Chirostylidae and Galatheidae of the Galatheoidea)" (PDF). Zootaxa. Suppl. 23: 5–107.  |chapter= ignored (help)
  2. ^ a b P. J. F. Davie (2002). "Pylojacquesidae". Decapoda: Anomura, Brachyura. Volume 19 of Zoological Catalogue of Australia: Crustacea: Malocostraca: Eucarida. CSIRO Publishing. pp. 113–114. ISBN 978-0-643-06792-9. 
  3. ^ a b Patsy A. McLaughlin & Rafael Lemaitre (2001). "A new family for a new genus and new species of hermit crab of the superfamily Paguroidea (Decapoda: Anomura) and its phylogenetic implications". Journal of Crustacean Biology 21 (4): 1062–1076. doi:10.1651/0278-0372(2001)021[1062:ANFFAN]2.0.CO;2. 
  4. ^ a b c Patsy A. McLaughlin (2007). "A new genus and species in the hermit crab family Pylojacquesidae (Crustacea: Anomura: Paguroidea) from New Caledonia". Proceedings of the Biological Society of Washington 120 (1): 56–62. doi:10.2988/0006-324X(2007)120[56:ANGASI]2.0.CO;2. 

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