Integrative taxonomy of two new peltospirid gastropods from Mid-Atlantic Ridge hot vents, including a potentially symbiotic species DOI Creative Commons
Chong Chen, Florence Pradillon, Coral Diaz‐Recio Lorenzo

et al.

Zoological Journal of the Linnean Society, Journal Year: 2025, Volume and Issue: 204(2)

Published: June 1, 2025

ABSTRACT Deep-sea hydrothermal vents host lush communities of animals relying on bacterial chemosynthetic primary production, where intimate symbioses often form. Peltospiridae are a family gastropods endemic to hot vents, whose members exhibit variety feeding strategies ranging from grazing total reliance endosymbiosis. Here, we report and describe two new peltospirid snails, Peltospira gargantua sp. nov. Lirapex pantagruel nov., recently discovered vent fields the Mid-Atlantic Ridge. is clearly distinct other congeners by its much larger size, differences in number arrangement epipodial tentacles, notably, hypertrophied oesophageal gland. also largest known species genus, differing shell shape sculpture. Phylogenetic reconstructions using mitochondrial cytochrome c oxidase subunit I (COI) gene agree with their respective generic placements. An expanded gland peltospirids was only endosymbiotic genera Chrysomallon Gigantopelta, it used symbionts, indicating that P. probably endosymbiotic. This would represent another case likely convergently acquired endosymbiosis family, first record gastropod Ridge vents.

Language: Английский

Integrative taxonomy of two new peltospirid gastropods from Mid-Atlantic Ridge hot vents, including a potentially symbiotic species DOI Creative Commons
Chong Chen, Florence Pradillon, Coral Diaz‐Recio Lorenzo

et al.

Zoological Journal of the Linnean Society, Journal Year: 2025, Volume and Issue: 204(2)

Published: June 1, 2025

ABSTRACT Deep-sea hydrothermal vents host lush communities of animals relying on bacterial chemosynthetic primary production, where intimate symbioses often form. Peltospiridae are a family gastropods endemic to hot vents, whose members exhibit variety feeding strategies ranging from grazing total reliance endosymbiosis. Here, we report and describe two new peltospirid snails, Peltospira gargantua sp. nov. Lirapex pantagruel nov., recently discovered vent fields the Mid-Atlantic Ridge. is clearly distinct other congeners by its much larger size, differences in number arrangement epipodial tentacles, notably, hypertrophied oesophageal gland. also largest known species genus, differing shell shape sculpture. Phylogenetic reconstructions using mitochondrial cytochrome c oxidase subunit I (COI) gene agree with their respective generic placements. An expanded gland peltospirids was only endosymbiotic genera Chrysomallon Gigantopelta, it used symbionts, indicating that P. probably endosymbiotic. This would represent another case likely convergently acquired endosymbiosis family, first record gastropod Ridge vents.

Language: Английский

Citations

0