Anatomical details of Daidal acanthocercus

All images © Contributions to Zoology

Holotype of Daidal acanthocercus

Holotype of Daidal acanthocercus. Note the eye (E) and the segments of the antennules and antennae (arrows and arrow heads, respectively). 

Scalebar = 0.75cm

© Contributions to Zoology
A dorsal view of the cephalothorax of Daidal acanthocercus

A dorsal view of the animal's cephalothorax. Note the antennular flagellum (AF), antenna (arrows), rostrum (R), antennal scale or scaphocerite (SC) and its basal segment (SB). 

Scalebar = 0.3cm

© Contributions to Zoology
Fossil of Daidal acanthocercus showing the distorted head appendages

Fossil showing the animal's distorted head appendages, such as the antennal scale (SC) and the claws (D is the dactylus of a claw). 

Scalebar = 0.8cm

A side view of the cephalothorax of Daidal acanthocercus

A side view of the animal's cephalothorax, showing rostrum (R), mandible (M) underneath the carapace, and leg segments (B, IM, CA, P, CO, D).

Scalebar = 0.2cm

A side view of Daidal acanthocercus

A side view of Daidal acanthocercus.

Scalebar = 1.6cm

Daidal acanthocercus fossil showing the animal with the front end curved to the right

Daidal acanthocercus fossil showing the animal with the front end curved to the right. Both the legs of the pleon (AR) and cephalothorax (Th) are visible.

Scalebar = 1.2cm

Daidal acanthocercus tailfan

Details of the animal's tailfan, including the protopod of the uropods (P) with its spines (arrows), the outer (Ex) and inner (En) rami of the uropods, and the telson (T).

Scalebar = 0.35cm

Daidal acanthocercus fossil showing tailfan details

A fossil showing the animal's tailfan.

Scalebar = 0.58cm

Details of the tailfan of Daidal acanthocercus

Details of the animal's tailfan, showing the outer (Ex) and inner (En) rami of the uropods, with the marginal setae (Se).

Scalebar = 0.2cm

Tailfan of Daidal acanthocercus, showing the ridges on the telson

Details of the animal's tailfan, showing details of the ridges on the telson (MC, SLC, SMC, and DMC).

Scalebar = 0.18cm