Figure 4 in New records of non-indigenous Branchiomma and Parasabella species (Sabellidae: Annelida) in South Australia highlight the continuing challenges for sabellid taxonomy
Description
Figure 4. Branchiomma sp. B, scanning electron microscope images. (a) anterior thoracic chaetigers and radiolar crown, dorsal view. (b) same, ventral view. (c) thoracic chaetigers showing ventral shield in contact with neuropodial tori. (d) same, lateral view. (e) detail of unpaired basal stylodes, ventral view. (f) detail of radiolar appendages of dorsal lips. (g) radioles with paired strap-like macrostylodes. (h) mid-thoracic chaetae, narrowly hooded. (i) row of mid-thoracic uncini. (j) detail of mid-thoracic uncini showing 2–3 rows of teeth. (k) abdominal uncini showing 3 rows of teeth. a, b, f–h: AM W.49867.001; d, k: AM W.49868.001. c, e, i, j: AM W.49869.001. AM: Australian Museum voucher number.
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