vent larvae collage

Photographic Identification Guide to Larvae at Hydrothermal Vents in the Eastern Pacific

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Amphisamytha galapagensis Amphisamytha galapagensis 280-500μm
Archinome rosacea
Archinome rosacea 310-490μm
Chaetosphaerid
“Chaetosphaerids”
280-400µm
chaetosphaeird “Chaetosphaerids” 200-320µm
Glycera sp.
Glycera sp.
~ 600 - 700μm, depending on number of chaetigers
nectochaete larva
Nectochaete larvae
170-380µm
Nereis sp.
Nereis sp.
~300-450µm, depending on number of chaetigers
Ophryotrocha sp.
Ophryotrocha sp.
280µm at 2 chaetigers
small polynoid
polynoids
190-200µm
large polynoid
polynoids
various up to >1mm
Unknown Polychaete A Unknown Polychaete A ~200µm
Unknown Polychaete B Unknown Polychaete B ~325µm - 550µm
Bathymodiolus thermophilus
Bathymodiolus thermophilus
400-450µm
Bathypecten vulcani larva
Bathypecten vulcani larva
840µm
Bathypecten vulcani juvenile
Bathypecten vulcani juvenile
1.5mm
barnacle cyprid
Barnacle cyprids
various from ~600µm - >1mm
Bythograea microps megalopa
~3mm
Bythograea thermydron megalopa
~8mm
Bythograea zoea
Bythograea thermydron zoea
~1.5mm
Tretomphalus sp.
~250-300µm