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FIG. 21 in Three new species of the genus Macandrewella (Copepoda: Calanoida: Scolecitrichidae) from the Paci®c Ocean, with notes on distribution and feeding habits

FIG. 21. Distribution of Macandrewella. Note that their distribution is restricted between 30ssN and 20ssS in the Indo-Paci®c. (1) M. chelipes (Campaner, 1989). (2) M. chelipes (Giesbrecht, 1896). (3) M. cochinensis (Gopalakrishnan, 1973). (4) M. scotti and M. chelipes (Sewell, 1929). (5) M. sewelli (Wilson, 1950). (6) M. stygiana and M. omorii (present study). (7) M. joanae (Scott, 1909). (8) M. asymmetrica, M. mera and M. sewelli (Farran, 1936). (9) M. agassizi (Wilson, 1950). (10) M. sewelli (Wilson, 1950). (11) M. serratipes (as M. chelipes, Wilson, 1950; see material examined of M. serratipes).

FIG. 18 in Three new species of the genus Macandrewella (Copepoda: Calanoida: Scolecitrichidae) from the Paci®c Ocean, with notes on distribution and feeding habits

FIG. 18. Gut contents of Macandrewella omorii, n. sp., female. (A) Fragments of radiolarians and crustaceans. (B) Radiolarian fragments. Scales 50.01 mm.

FIG. 15. Macandrewella omorii, n in Three new species of the genus Macandrewella (Copepoda: Calanoida: Scolecitrichidae) from the Paci®c Ocean, with notes on distribution and feeding habits

FIG. 15. Macandrewella omorii, n. sp., male (paratype). (A) Prosomal ends and urosome, dorsal view. (B) Anal somite and caudal rami, ventral view. (C) Antennulary segments I to X±XV. (D) Antennulary segments XVI±XVII to XXII. (E) Antennulary segments XXIII to XXVII±XXVIII. (F) Antennulary compound segment XXVII±XXVIII. (G) Left leg 5. (H) Right leg 5. (I) Terminal portion of left exopod of leg 5. (J) Inner margin of left endopod of leg 5.

FIG. 9 in Three new species of the genus Macandrewella (Copepoda: Calanoida: Scolecitrichidae) from the Paci®c Ocean, with notes on distribution and feeding habits

FIG. 9. SEM micrographs of terminal portion of exopod of left leg 5 of male Macandrewella stygiana, n. sp. Elements indicated by`a' ±`d'. See also ®gure 16. Scales 50.05 mm.

FIG. 8. Macandrewella stygiana, n in Three new species of the genus Macandrewella (Copepoda: Calanoida: Scolecitrichidae) from the Paci®c Ocean, with notes on distribution and feeding habits

FIG. 8. Macandrewella stygiana, n. sp., male (paratypes) (A±J) and M. omorii, n. sp., male (paratype) (K±M). (A) Maxilliped with abnormal endopod. (B) Normal terminal endopodal segments of maxilliped. (C, K) Endopod of leg 2, anterior surface. (D, L) Endopod of leg 3, anterior surface. (E, M) Endopod of leg 4, anterior surface. (F) Left leg 5. (G) Right leg 5. (H, I) Terminal portion of left endopod of leg 5. (J) Terminal portion of left exopod of leg 5.

FIG. 7. Macandrewella stygiana, n in Three new species of the genus Macandrewella (Copepoda: Calanoida: Scolecitrichidae) from the Paci®c Ocean, with notes on distribution and feeding habits

FIG. 7. Macandrewella stygiana, n. sp., male (paratypes). (A) Habitus, lateral view. (B) Rostrum, lateral view. (C) Prosomal end, right lateral view. (D, E) Prosomal end, left lateral view. (F) Urosome, dorsal view. (G) Antennulary segments I to X-XV. (H) Antennulary segments XVI±XVII to XXII. (I) Antennulary segments XXIII to XXVII±XXVIII. (J) Antennary exopod, seta indicated by arrow more developed in male than in female. (K) Antennary endopod, seta indicated by arrow shorter in male than in female. (L) Mandibular basis and endopod, setae arrowed shorter in male than in female.

FIG. 6. Macandrewella stygiana, n in Three new species of the genus Macandrewella (Copepoda: Calanoida: Scolecitrichidae) from the Paci®c Ocean, with notes on distribution and feeding habits

FIG. 6. Macandrewella stygiana, n. sp., female (holotype). (A) Leg 1, anterior surface. (B) Outer distal margin of endopod of leg 1, anterior surface. (C) Inner margin of ®rst and second exopodal segments of leg 1. (D) Leg 2, anterior surface. (E) Outer margin of third exopodal segment of leg 2, anterior surface. (F) Leg 3, anterior surface. (G) Outer margin of third exopodal segment of leg 3, anterior surface. (H) Endopod of leg 3, anterior surface. (I) Leg 4, anterior surface. (J) Endopod of leg 4, anterior surface.

FIG. 10 in Three new species of the genus Macandrewella (Copepoda: Calanoida: Scolecitrichidae) from the Paci®c Ocean, with notes on distribution and feeding habits

FIG. 10. Gut contents of Macandrewella stygiana, n. sp., male. (A) Fragments of presumably copepod Oncaea sp. (B) Mandibular cutting edge of calanoid copepod. (C) Tintinnid lorica. (D) Radiolarian fragment. (E) Diatom fragments. Scales 50.01 mm.

FIG. 5. Macandrewella stygiana, n in Three new species of the genus Macandrewella (Copepoda: Calanoida: Scolecitrichidae) from the Paci®c Ocean, with notes on distribution and feeding habits

FIG. 5. Macandrewella stygiana, n. sp., female (holotype). (A) Antennulary segments I to XV. (B) Antennulary segments XVI to XXVII±XXVIII. (C) Antenna. (D) Antennary exopod. (E) Mandible. (F) Mandibular cutting edge. (G) Maxillule. (H) Maxilla. (I) Maxillary endopod. (J) Maxilliped.

FIG. 3 in Three new species of the genus Macandrewella (Copepoda: Calanoida: Scolecitrichidae) from the Paci®c Ocean, with notes on distribution and feeding habits

FIG. 3. SEM micrographs of Macandrewella stygiana, n. sp., female (A) and M. omorii n. sp., male (B, C). (A) Rostrum and labrum, ventral view, cuticular lens indicated by arrow. (B) Rostrum, ventral view, cuticular lens indicated by arrow. (C) Caudal ramus, ventral view. Scales 50.1 mm.

FIG. 2. Macandrewella stygiana, n in Three new species of the genus Macandrewella (Copepoda: Calanoida: Scolecitrichidae) from the Paci®c Ocean, with notes on distribution and feeding habits

FIG. 2. Macandrewella stygiana, n. sp., female (holotype: A±D, F, H±J; paratypes: E, G, K, L). (A) Habitus, dorsal view. (B) Rostrum, lateral view. (C) Rostrum, ventral view. (D, E) Prosomal end, right lateral view. (F, G) Prosomal end, left lateral view. (H) Urosome, dorsal view. (I) Fifth pediger and genital double-somite, ventral view. (J±L) Leg 5, anterior surface.

FIG. 12 in Three new species of the genus Macandrewella (Copepoda: Calanoida: Scolecitrichidae) from the Paci®c Ocean, with notes on distribution and feeding habits

FIG. 12. SEM micrographs of Macandrewella omorii, n. sp., female. (A) Rostrum, ventral view, cuticular lens indicated by arrow. (B) Parts posterior to legs 4 (`4 '),`g' meaning genital double-somite, note absence of leg 5. (C±E) Maxillary endopod, brush-like (D) and worm-like (E) sensory setae indicated by closed and open circles, respectively. Scales 50.1 mm (A, B); 0.01 mm (C); 0.001 mm (D, E).

Figure 7 from: El-Sherbiny M, M Al - Aidaroos A (2013) First record and redescription of Macandrewella cochinensis Gopalakrishnan, 1973 (Copepoda, Scolecitrichidae) from the Red Sea, with notes on swarm formation. ZooKeys 344: 1-15. https://doi.org/10.3897/zookeys.344.5519

Figure 7 - SEM micrographs of Macandrewella cochinensis male from the northern Red Sea. A genital somite, dorsal view B distal part of leg 5.

Figure 6 from: El-Sherbiny M, M Al - Aidaroos A (2013) First record and redescription of Macandrewella cochinensis Gopalakrishnan, 1973 (Copepoda, Scolecitrichidae) from the Red Sea, with notes on swarm formation. ZooKeys 344: 1-15. https://doi.org/10.3897/zookeys.344.5519

Figure 6 - Macandrewella cochinensis male from the northern Red Sea. A habitus, dorsal view B habitus, lateral view C urosome, dorsal view D first and second urosomal segment, lateral view (right) E left antennule F maxilliped, terminal endopod segments G Exopod segment 3 of leg 2 H left leg 5 I terminal portion of left exopodal of leg 5 J terminal portion of left endopod of leg 5 K right leg 5. All scale bars in mm.

Figure 3 from: El-Sherbiny M, M Al - Aidaroos A (2013) First record and redescription of Macandrewella cochinensis Gopalakrishnan, 1973 (Copepoda, Scolecitrichidae) from the Red Sea, with notes on swarm formation. ZooKeys 344: 1-15. https://doi.org/10.3897/zookeys.344.5519

Figure 3 - SEM micrographs of Macandrewella cochinensis female from the northern Red Sea. A rostrum and cuticular lens indicated by arrow, ventral view B serration of postero-dorsolateral process of prosomal end indicated by arrow, lateral view C urosome, anterodorsal protrusions and posterodorsal swelling on left side indicated by arrows, dorsal view D urosome, posterodorsal swelling on left side indicated by arrow, lateral view (left) E maxillary endopod F leg 5 indicated by arrow.

Figure 4 from: El-Sherbiny M, M Al - Aidaroos A (2013) First record and redescription of Macandrewella cochinensis Gopalakrishnan, 1973 (Copepoda, Scolecitrichidae) from the Red Sea, with notes on swarm formation. ZooKeys 344: 1-15. https://doi.org/10.3897/zookeys.344.5519

Figure 4 - Macandrewella cochinensis female from the northern Red Sea. A antenna B mandibular gnathobase cutting edge C mandibular palp D maxillule E maxilla F maxilla endopod G maxilliped. All scale bars in mm.

Figure 5 from: El-Sherbiny M, M Al - Aidaroos A (2013) First record and redescription of Macandrewella cochinensis Gopalakrishnan, 1973 (Copepoda, Scolecitrichidae) from the Red Sea, with notes on swarm formation. ZooKeys 344: 1-15. https://doi.org/10.3897/zookeys.344.5519

Figure 5 - Macandrewella cochinensis female from the northern Red Sea. A Leg 1, anterior surface B medial margin of first and second exopodal segments of Leg 1 C lateral distal margin of leg 1 endopod D leg 2, posterior surface E Leg 3, posterior surface F leg 4, posterior surface G–H second and third exopodal segments of leg 4, anterior surface I leg 5, anterior surface. All scale bars in mm.

Figure 2 from: El-Sherbiny M, M Al - Aidaroos A (2013) First record and redescription of Macandrewella cochinensis Gopalakrishnan, 1973 (Copepoda, Scolecitrichidae) from the Red Sea, with notes on swarm formation. ZooKeys 344: 1-15. https://doi.org/10.3897/zookeys.344.5519

Figure 2 - Macandrewella cochinensis female from the northern Red Sea. A habitus, dorsal view B rostrum, lateral view C rostrum, ventral view D posterior prosome and urosome, dorsal view E urosome, ventral view F genital double-somite with spermatophore, lateral view (right) G genital double-somite, lateral view (right) H–I antennules. All scale bars in mm.

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Figure 1 from: El-Sherbiny M, M Al - Aidaroos A (2013) First record and redescription of Macandrewella cochinensis Gopalakrishnan, 1973 (Copepoda, Scolecitrichidae) from the Red Sea, with notes on swarm formation. ZooKeys 344: 1-15. https://doi.org/10.3897/zookeys.344.5519

Figure 1 - Location of the sampling site (Black circle).

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FIG. 20. Macandrewella serratipes, n in Three new species of the genus Macandrewella (Copepoda: Calanoida: Scolecitrichidae) from the Paci®c Ocean, with notes on distribution and feeding habits

FIG. 20. Macandrewella serratipes, n. sp., male (paratypes). (A) Rostrum, lateral view. (B) Prosomal ends and urosome, dorsal view. (C) Prosomal end, right lateral view. (D) Prosomal end, left lateral view. (E) Right leg 5, anterior surface. (F) Base of right endopod of leg 5, posterior surface. (G) Second and third exopodal segments of right leg 5, anterior surface. (H) Left leg 5, anterior surface. (I) Inner serration along distal half of left endopod of leg 5. (J) Terminal portion of left exopod of leg 5. (K) Right antennulary segments I to XVI±XVII. (L) Right antennulary segments XVIII to XXVII±XXVIII. (M) Left antennulary segments XXII to XXIV.