Branchiostoma bennetti

Branchiostoma bennetti
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Leptocardii
Order:	Amphioxiformes
Family:	Branchiostomatidae
Genus:	Branchiostoma
Species:	B. bennetti
Binomial name
	Branchiostoma bennetti; Boschung & Gunter, 1966 [1]

Branchiostoma bennetti, the mud lancelet, is a lancelet of the genus Branchiostoma endemic to the Gulf of Mexico, where it is found in the northern part.

Description

Like other lancelets in the genus Branchiostoma, B. bennetti occurs in inshore waters where it burrows into sand or muddy sand at depths down to about 12 m (40 ft). The body is laterally flattened and pointed at both ends. It has a long dorsal fin and another fin on its ventral surface, and a caudal fin at the rear end.[2] B. bennetti differs from other western Atlantic lancelets for having the longest buccal cirri among them. These cirri are further unique in this region because of their extended lateral projections.[3] It is presumed that these unique buccal cirri are an adaptation to living in a muddier habitat than other species.[3]

References

Nishikawa, Teruaki (2015). "Branchiostoma bennetti Boschung & Gunter, 1966". WoRMS. World Register of Marine Species. Retrieved 22 December 2016.
Felder, Darryl L. (2009). Gulf of Mexico Origin, Waters, and Biota: Biodiversity. Texas A&M University Press. pp. 1205–1207. ISBN 978-1-60344-269-5.
Boschung, Herbert T.; Gunter, Gordon (1966). "A New Species of Lancelet, Branchiostoma bennetti (Order Amphioxi), from Louisiana". Copeia. 1966 (3): 485–489. doi:10.2307/1441070. ISSN 0045-8511. JSTOR 1441070.

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[WoRMS-1] Nishikawa, Teruaki (2015). "Branchiostoma bennetti Boschung & Gunter, 1966". WoRMS. World Register of Marine Species. Retrieved 22 December 2016.

[Felder-2] Felder, Darryl L. (2009). Gulf of Mexico Origin, Waters, and Biota: Biodiversity. Texas A&M University Press. pp. 1205–1207. ISBN 978-1-60344-269-5.

[:0-3] Boschung, Herbert T.; Gunter, Gordon (1966). "A New Species of Lancelet, Branchiostoma bennetti (Order Amphioxi), from Louisiana". Copeia. 1966 (3): 485–489. doi:10.2307/1441070. ISSN 0045-8511. JSTOR 1441070.