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Identificatie van soorten
De eigenschappen van een soort (of een ander taxon) bekijken
Twee verschillende soorten (of andere taxa) met elkaar vergelijken
Informatie over het identificeren van soorten
Use the identification file:
Select a species:
body pigmentation: absent
bursal canal: without diverticulum
copulatory bursa: absent
curvature bursal canal: bursal canal absent
epidermis: infranucleate
eye lenses: eye lenses absent
fusion posterior gut trunks: absent
head shape: rounded
intrapenial papilla: present
lateral bursae: present
location ovaries: at a distance behind brain
location testes: throughout major part of body
mouth opening: at middle pharyngeal pocket
number of gonopores: 3
on Horseshoe Crabs ?: yes
oviducts: common
position copulatory bursa: not applicable
position ovaries: anterior to pharynx
position testes: occupying entire space of body
prebulbar common vas deferens: absent
precerebral coecum: absent
sclerotic tip on penis papilla: absent
spines in ejaculatory duct: absent