Gebiidea

Gebiidea
	Upogebia deltaura
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Malacostraca
Order:	Decapoda
Suborder:	Pleocyemata
(unranked):	Reptantia
Infraorder:	Gebiidea; de Saint Laurent, 1979
Families
	Axianassidae; Laomediidae; Thalassinidae; Upogebiidae;

Gebiidea is an infraorder of decapod crustaceans. Gebiidea and Axiidea are divergent infraoders of the former infraorder Thalassinidea. These infraorders have converged ecologically and morphologically as burrowing forms.^[1] Based on molecular evidence as of 2009, it is now widely believed that these two infraorders represent two distinct lineages separate from one another. Since this is a recent change, much of the literature and research surrounding these infraorders still refers to the Axiidea and Gebiidea in combination as "thalassinidean" for the sake of clarity and reference.^[1] This division based on molecular evidence is consistent with the groupings proposed by Robert Gurney in 1938 based on larval developmental stages.^[2]

The infraorder Gebiidea belongs to the clade Reptantia, which consists of the walking/crawling decapods (lobsters and crabs). The cladogram below shows Gebiidea's placement within the larger order Decapoda, from analysis by Wolfe et al., 2019.^[3]

Decapoda

	Dendrobranchiata (prawns)

Pleocyemata

Stenopodidea (boxer shrimp)

	Procarididea

	Caridea ("true" shrimp)

Reptantia

Achelata (spiny lobsters and slipper lobsters)

	Polychelida (benthic crustaceans)

	Astacidea (lobsters and crayfish)

Axiidea (mud shrimp, ghost shrimp, and burrowing shrimp)

Gebiidea (mud lobsters and mud shrimp)

	Anomura (hermit crabs and allies)

	Brachyura ("true" crabs)

(crawling /
walking
decapods)

Gebiidea comprises the following families:^[4]

Axianassidae Schmitt, 1924
Laomediidae Borradaile, 1903
Thalassinidae Latreille, 1831
Upogebiidae Borradaile, 1903

However, Axianassidae is sometimes considered to be a junior synonym of Laomediidae.^[5]^[6]

References

^ ^a ^b Dworschak, Peter C. (2012). Treatise on Zoology - Anatomy, Taxonomy, Biology. The Crustacea, Volume 9 Part B. BRILL. pp. 109–100. ISBN 9789047430179.
^ Pohle, G. and Santana, W., Gebiidea and Axiidea (=Thalassinidea), in Atlas of Crustacean Larvae, Baltimore: Johns Hopkins Univ. Press, 2014, pp. 263–271.
^ Wolfe, Joanna M.; Breinholt, Jesse W.; Crandall, Keith A.; Lemmon, Alan R.; Lemmon, Emily Moriarty; Timm, Laura E.; Siddall, Mark E.; Bracken-Grissom, Heather D. (24 April 2019). "A phylogenomic framework, evolutionary timeline and genomic resources for comparative studies of decapod crustaceans". Proceedings of the Royal Society B. 286 (1901). doi:10.1098/rspb.2019.0079. PMC 6501934. PMID 31014217.
^ Sammy De Grave; N. Dean Pentcheff; Shane T. Ahyong; et al. (2009). "A classification of living and fossil genera of decapod crustaceans" (PDF). Raffles Bulletin of Zoology. Suppl. 21: 1–109. Archived from the original (PDF) on 2011-06-06.
^ "Axianassidae Schmitt, 1924". WoRMS. World Register of Marine Species. 2023. Retrieved 23 April 2018.
^ Kensley, Brian; Heard, Richard (25 September 1990). "THE GENUS AXIANASSA (CRUSTACEA: DECAPODA: THALASSINIDEA) IN THE AMERICAS" (PDF). Proc. Biol. Soc. Wash. 103 (3): 558–572.

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[:0-1] Dworschak, Peter C. (2012). Treatise on Zoology - Anatomy, Taxonomy, Biology. The Crustacea, Volume 9 Part B. BRILL. pp. 109–100. ISBN 9789047430179.

[:1-2] Pohle, G. and Santana, W., Gebiidea and Axiidea (=Thalassinidea), in Atlas of Crustacean Larvae, Baltimore: Johns Hopkins Univ. Press, 2014, pp. 263–271.

[Wolfe2019-3] Wolfe, Joanna M.; Breinholt, Jesse W.; Crandall, Keith A.; Lemmon, Alan R.; Lemmon, Emily Moriarty; Timm, Laura E.; Siddall, Mark E.; Bracken-Grissom, Heather D. (24 April 2019). "A phylogenomic framework, evolutionary timeline and genomic resources for comparative studies of decapod crustaceans". Proceedings of the Royal Society B. 286 (1901). doi:10.1098/rspb.2019.0079. PMC 6501934. PMID 31014217.

[Grave-4] Sammy De Grave; N. Dean Pentcheff; Shane T. Ahyong; et al. (2009). "A classification of living and fossil genera of decapod crustaceans" (PDF). Raffles Bulletin of Zoology. Suppl. 21: 1–109. Archived from the original (PDF) on 2011-06-06.

[WoRMS-5] "Axianassidae Schmitt, 1924". WoRMS. World Register of Marine Species. 2023. Retrieved 23 April 2018.

[Kensley1990-6] Kensley, Brian; Heard, Richard (25 September 1990). "THE GENUS AXIANASSA (CRUSTACEA: DECAPODA: THALASSINIDEA) IN THE AMERICAS" (PDF). Proc. Biol. Soc. Wash. 103 (3): 558–572.

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