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Figure 9. A–E in Descriptions of New Serpulid Polychaetes from the Kimberleys of Australia and Discussion of Australian and Indo-West Pacific Species of Spirobranchus and Superficially Similar Taxa

Figure 9. A–E, Pomatostegus actinoceros. (A) tube of a specimen from AM W21438. B–E, a specimen from AM W202961: (B) anterior part of tube; (C) drawing of magnified section of anterior part of tube to show the pitted surface; (D) ventral view of thorax; the slit-like apertures of the pair of thoracic glands are shown; an apron is absent, although the last of thoracic tori are continuous along the posterior edge of the thorax; (E) dorsal view of thorax; the unfringed peduncular wing and the prostomial ocellar cluster on the right side, as well as the thoracic membranes of the two sides of the 3rd thoracic chaetiger are shown.

Figure 5. A–E in Descriptions of New Serpulid Polychaetes from the Kimberleys of Australia and Discussion of Australian and Indo-West Pacific Species of Spirobranchus and Superficially Similar Taxa

Figure 5. A–E, Vermiliopsis glandigera Gravier, 1908, figured from two specimens from AM W21470; A and B from first specimen; C–E from a second specimen: (A) worm in situ within its tube; (B) worm removed from tube showing the transparent partitioned operculum, its bulb-shaped basal part, the conspicuous annulus just below the latter, pinnule-free radiolar tips and extent of the thoracic membranes; (C) tube; D,E, worm removed from its tube: (D) worm showing distal end of the chitinous part of the operculum contracted into a concavity, and bears a small digitiform process in its centre; (E) another view of worm showing the transparent distal part of the operculum; the large annulus at the distal end of the peduncle has assumed the shape of a ventrally directed projection in alcohol.

Figure 24. A–J, Hydroides trihamulatus n in Descriptions of New Serpulid Polychaetes from the Kimberleys of Australia and Discussion of Australian and Indo-West Pacific Species of Spirobranchus and Superficially Similar Taxa

Figure 24. A–J, Hydroides trihamulatus n.sp. (A,B) anterior and posterior parts of tube of a juvenile specimen; (C) worm, showing operculum, operculum, pinnule-free tips of radioles and arrangement of anterior abdominal tori; D–F, from another somewhat older specimen: (D) anterior end of worm, showing operculum, its well-formed main coronal spine, and remaining coronal spines and infundibular spines with simple pointed tips; (E) tube with worm in situ; (F) operculum showing somewhat swollen processes; (G) operculum of still older specimen showing well-formed main coronal spine and remaining coronal and infundibular spines with T-shaped tipas.

Figure 2. A–F, Kimberleya hutchingsae n in Descriptions of New Serpulid Polychaetes from the Kimberleys of Australia and Discussion of Australian and Indo-West Pacific Species of Spirobranchus and Superficially Similar Taxa

Figure 2. A–F, Kimberleya hutchingsae n.sp. from holotype AM W21396: (A) tube; (B) worm; (C) collar chaeta; (D) chaeta from the 2nd thoracic chaetal fascicle; (E) Apomatus-chaeta from a mid thoracic chaetal fascicle; (F) anterior abdominal uncinus (rasp-shaped); (G) portion of tube from AM W21447. H,I, Pseudoprotula kimberleyensis n.gen. and n.sp., from AM W202938, two views of complete worm: (H) ventral view of thorax showing the last pair of uncinal tori; (I) dorsal view of thorax: showing absence of an operculum, the number of thoracic chaetigers and the extent of the thoracic membranes.

Figure 14. A–K and Q, Hydroides kimberleyensis n in Descriptions of New Serpulid Polychaetes from the Kimberleys of Australia and Discussion of Australian and Indo-West Pacific Species of Spirobranchus and Superficially Similar Taxa

Figure 14. A–K and Q, Hydroides kimberleyensis n.sp., from holotype AM W202931: (A) whole worm removed from its tube; (B–D) different views of operculum; (E–I) bayonet-shaped special collar chaetae. J–K, uncini: (J) thoracic uncini, (K) anterior abdominal uncini. L–P, from paratype AM W202963: (L) whole worm; (N–P) different views of operculum. (Q) tube with worm in situ.

Figure 17. A–K, Hydroides pseudexaltatus n in Descriptions of New Serpulid Polychaetes from the Kimberleys of Australia and Discussion of Australian and Indo-West Pacific Species of Spirobranchus and Superficially Similar Taxa

Figure 17. A–K, Hydroides pseudexaltatus n.sp., from holotype AM W202930. (A) tube; (B) anterior end of worm showing operculum, radioles, and anterior abdominal tori almost meeting dorsally; (C,D) two other views of operculum; (E–I) bayonet-shaped special collar chaetae; (J) thoracic uncini; (K) anterior abdominal uncini.

Fig. 21. Platorchestia paraplatensis n in The Coastal Talitridae (Amphipoda: Talitroidea) of Southern and Western Australia, with Comments on Platorchestia platensis (Krøyer, 1845)

Fig. 21. Platorchestia paraplatensis n.sp., paratype male, 15.1 mm, habitus and H, AM P69145, holotype male, 19.3 mm, other parts, AM P69144, Blackwell Reach, Swan River, Perth, Western Australia. Scales for habitus and H: 1 mm; remainder: 0.1 mm.

Fig. 23. Platorchestia paraplatensis n in The Coastal Talitridae (Amphipoda: Talitroidea) of Southern and Western Australia, with Comments on Platorchestia platensis (Krøyer, 1845)

Fig. 23. Platorchestia paraplatensis n.sp., holotype male, 19.3 mm, U1–3, T, EP1–3, AM P69144; paratype female, 12.5 mm, G1–2, AM P69146; juvenile male, 11.0 mm, G2, AM P69149, Blackwell Reach, Swan River, Perth, Western Australia. Scales for U3, T: 0.2 mm; remainder: 0.5 mm.

Fig. 20. Notorchestia naturaliste n in The Coastal Talitridae (Amphipoda: Talitroidea) of Southern and Western Australia, with Comments on Platorchestia platensis (Krøyer, 1845)

Fig. 20. Notorchestia naturaliste n.sp. paratype female 14.6 mm, O2–5, BR2–6, AM P69124, holotype male, 14.8 mm, PL1–3, AM P69121, Bunker Bay, Cape Naturaliste, Western Australia. Scales represent 0.2 mm.

Fig. 22. Platorchestia paraplatensis n in The Coastal Talitridae (Amphipoda: Talitroidea) of Southern and Western Australia, with Comments on Platorchestia platensis (Krøyer, 1845)

Fig. 22. Platorchestia paraplatensis n.sp., holotype male, 19.3 mm, AM P69144, Blackwell Reach, Swan River, Perth, Western Australia. Scales represent 0.5 mm.

Fig. 15. Notorchestia lobata n in The Coastal Talitridae (Amphipoda: Talitroidea) of Southern and Western Australia, with Comments on Platorchestia platensis (Krøyer, 1845)

Fig. 15. Notorchestia lobata n.sp., holotype male, 10.8 mm, U3 and T, AM P69051; female, 9.1 mm, G1, AM P60956; female 11 mm, G2 and P7, AM P69052, juvenile male, 10 mm, G2, AM P69053, Goolwa Beach, Encounter Bay, South Australia. Scales for G1, G2, P7, U1–3: 0.3 mm; EP1–3: 1 mm; merus (juvenile) and T: 0.2 mm.

Fig. 16. Notorchestia lobata n in The Coastal Talitridae (Amphipoda: Talitroidea) of Southern and Western Australia, with Comments on Platorchestia platensis (Krøyer, 1845)

Fig. 16. Notorchestia lobata n.sp., paratype female, 11.0 mm, O2–5, AM P69052; holotype male, 10.8 mm, PL1–3 and BR2–6, AM P69051. Scales represent 0.5 mm.

Fig. 18. Notorchestia naturaliste n in The Coastal Talitridae (Amphipoda: Talitroidea) of Southern and Western Australia, with Comments on Platorchestia platensis (Krøyer, 1845)

Fig. 18. Notorchestia naturaliste n.sp., holotype male, 14.8 mm, AM P69121, Bunker Bay, Cape Naturaliste, Western Australia. Scales for G1 and P4: 0.2 mm; remainder: 0.5 mm.

Fig. 19. Notorchestia naturaliste n in The Coastal Talitridae (Amphipoda: Talitroidea) of Southern and Western Australia, with Comments on Platorchestia platensis (Krøyer, 1845)

Fig. 19. Notorchestia naturaliste n.sp., holotype male, 14.8 mm, U1–3, EP1–3, T, AM P69121, paratype female, 14.6 mm, G1–2, AM P69124, Bunker Bay, Cape Naturaliste, Western Australia. Scales for U1–3: 0.2 mm; G1–2: 0.3 mm; EP1–3: 0.5 mm; T: 0.1 mm.

Fig. 14. Notorchestia lobata n in The Coastal Talitridae (Amphipoda: Talitroidea) of Southern and Western Australia, with Comments on Platorchestia platensis (Krøyer, 1845)

Fig. 14. Notorchestia lobata n.sp., holotype male, 10.8 mm, AM P69051, Goolwa Beach, Encounter Bay, South Australia. Scales represent 0.5 mm.

Fig. 13. Notorchestia lobata n in The Coastal Talitridae (Amphipoda: Talitroidea) of Southern and Western Australia, with Comments on Platorchestia platensis (Krøyer, 1845)

Fig. 13. Notorchestia lobata n.sp., paratype male, 10.8 mm, habitus, AM P69055; holotype male, 10.8 mm, other parts, AM P69051, Goolwa Beach, Encounter Bay, South Australia. Scales for habitus: 1 mm; remainder: 0.5 mm.

Fig. 12 in The Coastal Talitridae (Amphipoda: Talitroidea) of Southern and Western Australia, with Comments on Platorchestia platensis (Krøyer, 1845)

Fig. 12. Notorchestia australis (Fearn-Wannan, 1968), female, 11.1 mm, O2–5 and BR2–6, AM P69009; male, 16.1

Fig. 9 in The Coastal Talitridae (Amphipoda: Talitroidea) of Southern and Western Australia, with Comments on Platorchestia platensis (Krøyer, 1845)

Fig. 9. Notorchestia australis (Fearn-Wannan, 1968), male, 15.3 mm, habitus, AM P69006; male, 16.1 mm, other parts, AM P69007, Port Macdonnell, South Australia. Scale for habitus: 1 mm; remainder: 0.1 mm.

Fig. 2. Australorchestia occidentalis n in The Coastal Talitridae (Amphipoda: Talitroidea) of Southern and Western Australia, with Comments on Platorchestia platensis (Krøyer, 1845)

Fig. 2. Australorchestia occidentalis n.sp., holotype male, 11.6 mm, AM P69130, Gascoyne River, Carnarvon, Western Australia. Scales represent 0.2 mm.

Fig. 27 in Syllinae (Polychaeta: Syllidae) from Australia. Part 1. Genera Branchiosyllis, Eurysyllis, Karroonsyllis, Parasphaerosyllis, Plakosyllis, Rhopalosyllis, Tetrapalpia n.gen., and Xenosyllis

Fig. 27. Tetrapalpia dorsoaciculata (Hartmann-Schröder, 1991): (A), anterior end, dorsal view, paratype; (B), holotype, anterior end, dorsal view; (C,D), parapodial lobe; (E), compound chaetae; (F), ventral simple chaeta; (G), acicula. A,E,F,G: HZM P-20515 (paratype). B,C,D: after Hartmann-Schröder, 1991, holotype. Scales A: 0.14 mm; E–G: 20 µm.