Gigantidas Cosel & B. A. Marshall 2003

Gigantidas is a genus of large, deepwater, hydrothermal vent mussels, marine bivalve molluscs in the family Mytilidae.

Distribution and habitat

Species in this genus are found on deep-sea hydrothermal vents on the southern Kermadec Ridge. These mussels form dense beds at these sites.

Description

The shells of Gigantidas gladius are up to 30 cm long.

Species

Species within the genus Gigantidas include:

• Gigantidas coseli Saether, Little, Campbell, Marshall, Collins & Alfaro, 2010
• Gigantidas gladius Cosel & Marshall, 2003
• Gigantidas horikoshi Hashimoto & Yamane, 2005
• Gigantidas samario Cosel & Gracia, 2018
• Gigantidas taiwanensis (Cosel, 2008)
• Gigantidas tangaroa (Cosel & B. A. Marshall, 2003)

References

• Cosel R.von & Marshall B.A. 2003. Two new species of large mussels (Bivalvia: Mytilidae) from active submarine volcanoes and a cold seep off the eastern North Island of New Zealand, with description of a new genus. The Nautilus 117(2): 31-46