Axiidae, Huxley, 1879

Poore, Gary C. B. & Collins, David J., 2009, Australian Axiidae (Crustacea: Decapoda: Axiidea), Memoirs of Museum Victoria 66 (2), pp. 221-287 : 222

Key to Australian species of Axiidae

This key is designed to be as practical as possible and concentrates on characters most easily determined from what can sometimes be fragmentary specimens. It does not reflect relationship nor necessarily use generic characters.

1.

– Pleopod 2 endopod with dominating terminal appendix masculina and digitiform appendix interna; pleopods 3–5 rami extremely thin; eyes without pigment; usually hermaphroditic (with gonopores on both coxae 3 and 5, pleopods 1 and 2 not sexually dimorphic) 2

Pleopods 2–5 endopods laminar, similar; pleopod 2 with appendices masculina and interna (if present in male) linear and attached mesially; eyes usually pigmented; gonochoristic (sexes separate, gonopores on either coxae 3 [female] or coxae 5 [male]; pleopods 1 and 2 sexually dimorphic) 3

2. Rostrum directed upwards, about half length of postorbital carapace length; pleopod 2 article 2 elongate-triangular, mesially curved Ambiaxius franklinae Sakai, 1994

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3.