Most trunk segments bear appendages.

The posterior 5-14 rings at the end of the body do not bear appendages.

The genus is characterized by its dark chasmothecia which bear filamentous, hyaline appendages with hooked tips.

All round its head and also along the body, the skin bears fringed appendages resembling short fronds of seaweed.

In a few of the most primitive insects (the Archaeognatha), the metasomal segments bear small, articulated appendages called "styli", which are often considered to be vestigial.

The posterior tip bears different appendages in different genera.

The first three abdominal segments bear limb-like appendages called "styli".

The posterior half of the worm is segmented and tapers towards the rear, bearing appendages on each segment.

But the five posterior segments bear ordinary biramous appendages, with gill branches and walking legs.

It bears scalloped white petal-like appendages arranged around the actual flowers.