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The propodus of gnathopod 2 is less than 2/3 as wide as it is long. Note also the gill on the segment behind.
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Caprella drepanochir pereopods 5-7Caprella drepanochir pereopods 5-7Specimen: National Museum of Natural History, Washington DC: (NMNH) 13331; Chamisso Harbor; Esch-Scholts Bay; Alaska; WHDall 3677 (1701) 5-8 ftms
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This ventral view shows there is no spine between the large gnathopods 2 and shows the location of the gills.
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Caprella drepanochir maleCaprella drepanochir maleSpecimen: National Museum of Natural History, Washington DC: (NMNH) 13331; Chamisso Harbor; Esch-Scholts Bay; Alaska; WHDall 3677 (1701) 5-8 ftms
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This view of the head (animal is looking to the left) shows the very large second antennae to the left, then the head with sessile eyes and prominent, forward-directed head spine. Below the head can be seen the first gnathopods which are on the anterior end of the first thoracic segment (pereonite), which extends out of view to the right.
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Caprella drepanochir anteriorCaprella drepanochir anteriorSpecimen: National Museum of Natural History, Washington DC: (NMNH) 13331; Chamisso Harbor; Esch-Scholts Bay; Alaska; WHDall 3677 (1701) 5-8 ftms
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Caprella angusta from eelgrass in Padilla Bay. Total length about 4 cm. One of the ventral flaplike gills is visible posterior to the large grasping gnathopods 2, right at the end of the eelgrass. (Photo by: Dave Cowles, July 2008)
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Caprella drepanochir gnathopods 2Caprella drepanochir gnathopods 2Specimen: National Museum of Natural History, Washington DC: (NMNH) 13331; Chamisso Harbor; Esch-Scholts Bay; Alaska; WHDall 3677 (1701) 5-8 ftms
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Caprella drepanochir gnathopod 2Caprella drepanochir gnathopods 2Specimen: National Museum of Natural History, Washington DC: (NMNH) 13331; Chamisso Harbor; Esch-Scholts Bay; Alaska; WHDall 3677 (1701) 5-8 ftms
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Aeginina longicornis posterior pereopodsAeginina longicornis male pereopods. Specimen from National Museum of Natural History, Washington DC: (NMNH) 26017 Off Newport Sta. 787 USFC (A. longicornis var. nodosa) 19ftms;
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Aeginina longicornis male anteriorAeginina longicornis male. Specimen from National Museum of Natural History, Washington DC: (NMNH) 26017 Off Newport Sta. 787 USFC (A. longicornis var. nodosa) 19ftms;
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Aeginina longicornis maleAeginina longicornis male. Specimen from National Museum of Natural History, Washington DC: (NMNH) 26017 Off Newport Sta. 787 USFC (A. longicornis var. nodosa) 19ftms;
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Aeginina longicornis female anteriorAeginina longicornis female. Specimen from National Museum of Natural History, Washington DC: (NMNH) 26017 Off Newport Sta. 787 USFC (A. longicornis var. nodosa) 19ftms;
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"Aeginina elevata" whole specimen showing dorsal tuberculation.Aeginina elevata whole specimen showing dorsal tuberculation. National Museum of Natural History, Washington DC: (NMNH) 202150
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"Aeginina elevata" Gnathopods IIAeginina elevata showing second gnathopods. National Museum of Natural History, Washington DC: (NMNH) 202150
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"Aeginina elevata" Head and GnathopodsAeginina elevata showing head, gnathopods and antennae. National Museum of Natural History, Washington DC: (NMNH) 202150
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Aeginoides gaussi male.Aeginoides gaussi male. Specimen from National Museum of Natural History, Washington DC: (NMNH) 127679-84
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Aeginoides gaussi femaleAeginoides gaussi female. Specimen from National Museum of Natural History, Washington DC: (NMNH) 127679-84
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Aeginoides gaussi male pereonite IIIAeginoides gaussi male pereonite III. Specimen from National Museum of Natural History, Washington DC: (NMNH) 127679-84
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Aeginoides gaussi male pereopod VIIAeginoides gaussi female pereopod VII. Specimen from National Museum of Natural History, Washington DC: (NMNH) 127679-84
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Aeginoides gaussi pereopod VIIAeginoides gaussi pereopod VII. Specimen from National Museum of Natural History, Washington DC: (NMNH) 127679-84
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Aeginoides gaussi female gnathopod 2Aeginoides gaussi female gnathopod 2. Specimen from National Museum of Natural History, Washington DC: (NMNH) 127679-84
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Caprella equilibra maleCaprella equilibra maleSpecimens from the National Museum of Natural History, Washington DC: (NMNH) 113619 (labeled as C. aequilibra)
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Caprella equilibra maleCaprella equilibra maleSpecimens from the National Museum of Natural History, Washington DC: (NMNH) 113619 (labeled as C. aequilibra)
