Echinogammarus obtusatus (Dahl, 1938)
(a sand shrimp)

Taxonomic hierarchy:
SpeciesEchinogammarus obtusatus (a sand shrimp)
GenusEchinogammarus (a genus of crustaceans)
FamilyGAMMARIDAE (freshwater and sand shrimps)
SuperfamilyGAMMAROIDEA (a superfamily of crustaceans)
ParvorderGammaridira (a parvorder of crustaceans)
InfraorderGammarida (an infraorder of crustaceans)
SuborderSENTICAUDATA (a suborder of crustaceans)
OrderAMPHIPODA (freshwater shrimps, sand hoppers and other amphipods)
SuperorderPERACARIDA (amphipods, woodlice, cumaceans etc.)
SubclassEUMALACOSTRACA (a subclass of crustaceans)
ClassMALACOSTRACA (crabs, lobsters, shrimps, prawns, woodlice etc.)
SubphylumCRUSTACEA (crustaceans)
PhylumARTHROPODA (arthropods)
SuperphylumECDYSOZOA (skin shedders)
CladeBilateria (bilaterally symmetrical animals)
SubkingdomEUMETAZOA (metazoans)
KingdomANIMALIA (animals)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Echinogammarus obtusatus (a sand shrimp) :
1: Echinogammarus obtusatus (a sand shrimp)
27 Jan 2012 OSGR: SY77 50° 30’ N, 2° 20’ W Vice County: Dorset (VC 9) England
on mud under rock, at edge of tidal pool
Image 1: Male and female - in tandem - white backgroundImage 2: Female - antenna 1 - magnified - white backgroundImage 3: Female - antenna 2 - magnified - white backgroundImage 4: Female - head - lateral view - magnified - white backgroundImage 5: Female - lateral view - highly enlarged - white backgroundImage 6: Female - tail - lateral view - magnified - white backgroundImage 7: Male and female - in tandem - enlarged - white backgroundImage 8: Male and female - lateral view - enlarged - white backgroundImage 9: Male and female - lateral view - enlarged - white background (2)Image 10: Male and female - lateral view - enlarged - white background (3)Image 11: Male and female - lateral view - enlarged - white background (4)Image 12: Male and female - lateral view - enlarged - white background (5)Image 13: Male - antenna I - base - lateral view - magnified - white backgroundImage 14: Male - coxae 1-4 - highly enlarged - white backgroundImage 15: Male - coxae 1-4 - highly enlarged - white background (2)Image 16: Male - gnathopods 1 & 2 - magnified - white backgroundImage 17: Male - head - lateral view - magnified - white backgroundImage 18: Male - lateral view - close-up - enlarged - white backgroundImage 19: Male - lateral view - enlarged - white backgroundImage 20: Male - lateral view - enlarged - white background (2)Image 21: Male - lateral view - enlarged - white background (3)Image 22: Male - lateral view - enlarged - white background (4)Image 23: Male - segments and coxae 5 (R) and 6 (L) - magnified - white backgroundImage 24: Male - uropod III - lateral view - magnified - white backgroundImage 25: Male - uropod III - lateral view - magnified - white background (2)Image 26: Male - uropods 3 - magnified - white background
2: Echinogammarus obtusatus (a sand shrimp)
21 Mar 2008 OSGR: SW83 50° 10’ N, 4° 60’ W Vice County: East Cornwall (VC 2) England
under pebbles on rocky foreshore
Image 1: Antennules and antennae - highly enlarged - pale backgroundImage 2: Male and female - in tandem - enlargedImage 3: Male and female - in tandem - enlarged (2)Image 4: Male and female - in tandem - enlarged (3)Image 5: Male and female - in tandem - lateral view - highly enlargedImage 6: Male and female - in tandem - lateral view - highly enlarged (2)Image 7: Male and female - in tandem - lateral view - highly enlarged (3)Image 8: Male and female - in tandem - lateral view - highly enlarged (4)Image 9: Male and female - in tandem - lateral view - highly enlarged (5)Image 10: Male - head and thorax - lateral view - highly enlargedImage 11: Male - lateral view - close-up - highly enlargedImage 12: Male - lateral view - highly enlargedImage 13: Male - lateral view - highly enlarged (2)Image 14: Male - lateral view - highly enlarged (3)Image 15: Male - lateral view - highly enlarged (4)Image 16: Male - lateral view - highly enlarged (5)Image 17: Male - lateral view - highly enlarged - pale backgroundImage 18: Male - tail and uropods-III - dorsal view - magnifiedImage 19: Male - tail end - lateral view - highly enlargedImage 20: Male - tail end - lateral view - highly enlarged (2)Image 21: Male - tail end - lateral view - highly enlarged (3)Image 22: Gnathopod 1 - microscope low magnificationImage 23: Gnathopod 2 - basal plate - microscope low magnificationImage 24: Gnathopod 2 - microscope low magnificationImage 25: Gnathopods - magnified

Echinogammarus obtusatus (a sand shrimp) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Echinogammarus obtusatus (a sand shrimp)
BioInfoBioInfo (www.bioinfo.org.uk) has 0 host/parasite/foodplant and/or other relationships for Echinogammarus obtusatus (a sand shrimp)
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