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15 results for “Pyriporoides”
FIGURE 15 in Resolving the status of Pyriporoides and Daisyella (Bryozoa: Cheilostomata), with the systematics of some additional taxa of Calloporoidea having an ooecial heterozooid
FIGURE 15. Phylogenetic tree of hypothesised relationships between extant species of the taxa described and redescribed herein plus outgroup taxa. As described in the text, this is the single minimum length tree generated by a heuristic search using PAUP with character reweighting. The two outgroup taxa used to root the tree were Amphiblestrum trifolium and Pyrisinella meniscacantha. The matrix used to compute the tree can be found in Appendix 1, and the characters and their states are given in Appendix 2. Character changes (states are in parenthesis) along lettered branches are as follows: A, character 15 (0 Ą 1), 16 (0 Ą 1), 19 (1 Ą 0); B, 7 (0 Ą 2), 14 (0 Ą 1), 22 (1 Ą 0); C, 3 (0 Ą 2), 11 (0 Ą 1); D, 6 (1 Ą 0), 8 (4 Ą 0), 12 (0 Ą 1), 13 (0 Ą 1); E, 1 (2 Ą 0), 2 (0 Ą 2), 14 (1 Ą 0); F, 10 (0 Ą 3), 16 (1 Ą 2); G, 2 (2 Ą 1), 8 (0 Ą 1); H, 19 (0 Ą 1), 22 (0 Ą 1); I, 18 (0 Ą 1); J, 4 (1 Ą 0), 13 (1 Ą 0); K, 18 (0 Ą 1); L, 5 (0 Ą 1), 8 (0 Ą 1), 17 (0 Ą 1); M, 18 (0 Ą 1); N, 10 (0 Ą 1); 14 (0 Ą 1); O, 13 (1 Ą 0); P, 2 (2 Ą 0/1); Q, 7 (2 Ą 0), 10 (0 Ą 2), 23 (1 Ą 0); R, 1 (2 Ą 1), 4 (1 Ą 1), 6 (0 Ą 1), 7 (0 Ą 1), 8 (0 Ą 3); S, 5 (0 Ą 1); T, 10 (2 Ą 3); U, 8 (0 Ą 1), 22 (0 Ą 1); V, 4 (1 Ą 0), 18 (0 Ą 1); W, 8 (1 Ą 2), 12 (1 Ą 0), 13 (1 Ą 0), 17 (0 Ą 1); X, 9 (0 Ą 1), 18 (0 Ą 1).
FIGURE 1 in Resolving the status of Pyriporoides and Daisyella (Bryozoa: Cheilostomata), with the systematics of some additional taxa of Calloporoidea having an ooecial heterozooid
FIGURE 1. Explanation of some of the measurements made on the cheilostomes described herein. A, the total length (ZL) of caudate zooids is a combination of dilatation length (DL) and cauda length (CL). The cauda was determined as beginning at the point where there is a relatively abrupt change in the horizontal angle of the lateral wall on the substratum, on one or both sides of the zooid; the curved black line indicates the inferred position of the proximal margin in the absence of a cauda. B, the maximum length and width of the area encompassed by the raised rim that surrounds the cryptocyst and opesia were respectively measured as CrL and CrW. Opesia length (OpL) was taken as the distance from the inner, not outer, distal margin of the opesia to the proximal margin, since that is the length that is most easily determined when measuring by light microscopy. The inner margin is also the perceived distal margin that is seen when the zooid is observed from below (when removed from the substratum).
FIGURE 5 in Resolving the status of Pyriporoides and Daisyella (Bryozoa: Cheilostomata), with the systematics of some additional taxa of Calloporoidea having an ooecial heterozooid
FIGURE 5. Pyriporoides circularis (Gordon, 1989), NIWA 95680: A, profile of zooids with broken ooecia; B, close-up of proximofrontal ooecial fenestra; C, D, frontal views of two ooecia, showing the narrow peripheral extension of the ooecial kenozooid, that in C with a single spine-base. Scalebars: A, 500 µm; B, 50 µm; C, D, 100 µm.
FIGURE 4 in Resolving the status of Pyriporoides and Daisyella (Bryozoa: Cheilostomata), with the systematics of some additional taxa of Calloporoidea having an ooecial heterozooid
FIGURE 4. Pyriporoides circularis (Gordon, 1989), NIWA 95680: A, part of colony, showing near-circular zooidal dilatations and filiform caudae; B, autozooids and an interzooidal kenozooid, C, autozooid with budding from all pore-chambers; D, ovicellate zooid (arrows in C and D indicate accessory gymnocystal spine-bases). Scalebars: A, 1 mm; B–D, 200 µm.
FIGURE 14 in Resolving the status of Pyriporoides and Daisyella (Bryozoa: Cheilostomata), with the systematics of some additional taxa of Calloporoidea having an ooecial heterozooid
FIGURE 14. Apiophragma hyalina (Waters, 1904), NIWA 23005: A, Opesiulate autozooid, with arrows indicating tiny gymnocystal spines; B, close-up of opesia; C, ovicellate zooid with operculum in place (white arrow indicates foramen of narrow exposure of ooecial kenozooid, small black arrows indicate gymnocystal spines); D, close-up of opesia of ovicellate zooid and foraminal slit in proximofrontal fissure. Scalebars: A, C, 200 µm; B, 100 µm; D, 100 µm.
FIGURE 10. Olisthella contigua n. gen., n in Resolving the status of Pyriporoides and Daisyella (Bryozoa: Cheilostomata), with the systematics of some additional taxa of Calloporoidea having an ooecial heterozooid
FIGURE 10. Olisthella contigua n. gen., n. sp., holotype, NIWA 95601: A, colony; B, close-up of zooid at upper left in A. Olisthella mimica n. gen., n. sp. C, unregistered; D, E, holotype, NIWA 27764: C, disjunct zooids, each with sparse, tiny spinebases on the lateral gymnocyst; D, close-up of anterior end of a zooid; E, zooids with pericryptocystal and gymnocystal spines. Scalebars: A, 500 µm; B, 200 µm; C, E, 300 µm; D, 200 µm.
FIGURE 3 in Resolving the status of Pyriporoides and Daisyella (Bryozoa: Cheilostomata), with the systematics of some additional taxa of Calloporoidea having an ooecial heterozooid
FIGURE 3. Pyriporoides circularis (Gordon, 1989), holotype, NIWA 724: A, zooid with maximum number of spine-bases encountered; B, close-up of opesia of another zooid. Scalebars: A, 200 µm; B, 100 µm.
FIGURE 13 in Resolving the status of Pyriporoides and Daisyella (Bryozoa: Cheilostomata), with the systematics of some additional taxa of Calloporoidea having an ooecial heterozooid
FIGURE 13. Bryobrownius willetti (Brown, 1952) n. gen., holotype D36574, NHMUK: A, ovicellate zooid and two interzooidal avicularia; note the ooecial kenozooid with a large circular area immediately distal of the ooecium; B, an autozooid with ten visible spine bases; C, ovicellate zooid and autozooids, the one at upper right with a reasonably well-preserved proximal opesial rim; D, ancestrula (lower left) and daughter zooids. Scalebars: A, C, D, 200 µm; B, 100 µm.
FIGURE 6 in Resolving the status of Pyriporoides and Daisyella (Bryozoa: Cheilostomata), with the systematics of some additional taxa of Calloporoidea having an ooecial heterozooid
FIGURE 6. Pyriporoides libita (Gordon, 1989). A, unregistered; B–D, NIWA 95602: A, zooid in semiprofile showing disposition of spines; B, close-up of cryptocyst and opesia; C, D, ooecia with well-developed heterozooid (kenozooidal in C, avicularian in D). Scalebars: A, 200 µm; B–D, 100 µm.
FIGURE 2 in Resolving the status of Pyriporoides and Daisyella (Bryozoa: Cheilostomata), with the systematics of some additional taxa of Calloporoidea having an ooecial heterozooid
FIGURE 2. Pyriporoides uniserialis (Waters, 1904), A–D, F, lectotype, RBINS BRY.392 (unbleached); E, G, NHMUK 1995.5.23.4–5 (unbleached): A, part of a colony showing caudate zooids, one of them ovicellate; B, autozooids showing the variable shape of the opesia in each; C, a kenozooid with a pair of autozooids, the one at left apparently budded reparatively from the one at right; D, ooecium with distal expression of the associated heterozooid; E, a broken ooecium with its heterozooid; F, autozooid showing the disposition of oral-spine bases and details of the opesia and cryptocyst; G, autozooid with the membranous frontal wall in place, clearly showing the hinge line of the opercular area. Scalebars: A, 1 mm; B, 400 µm; C, 300 µm; D, E, 100 µm; F, G, 200 µm.
FIGURE 12. Olisthella contigua n. gen., n in Resolving the status of Pyriporoides and Daisyella (Bryozoa: Cheilostomata), with the systematics of some additional taxa of Calloporoidea having an ooecial heterozooid
FIGURE 12. Olisthella contigua n. gen., n. sp., holotype, NIWA 95601: A, ancestrula. Pyriflustrina elegans d'Orbigny, 1853, holotype, MNHN R61766: B, non-caudate autozooids, the proximal one with a reparative kenozooid in the cystid chamber; C, ovicelled zooid with the frontal ooecial wall broken, showing it resting on the distal zooid from which it is budded. Scalebars: A, 100 µm; B, C, 200 µm.
FIGURE 11. Olisthella alma n. gen., n in Resolving the status of Pyriporoides and Daisyella (Bryozoa: Cheilostomata), with the systematics of some additional taxa of Calloporoidea having an ooecial heterozooid
FIGURE 11. Olisthella alma n. gen., n. sp., A C, holotype, NIWA 98229; B, E, F, paratype, NIWA 98230; D, unregistered, on same substratum as paratype: A, zooids, one with an ooecium; B, zooids with well-preserved cryptocystal shelves; C, ooecium of zooid illustrated in A; D, zooid in profile; E, reparative kenozooid functioning as an opesial closure; F, complete autozooid with opesia occluded by reparative kenozooid. Scalebars: A, 500 µm; B, 200 µm; C, D, F, 100 µm; E, 50 µm.
FIGURE 8. Olisthella plana n. gen., n in Resolving the status of Pyriporoides and Daisyella (Bryozoa: Cheilostomata), with the systematics of some additional taxa of Calloporoidea having an ooecial heterozooid
FIGURE 8. Olisthella plana n. gen., n. sp., holotype, NIWA 95617: A, part of colony with autozooids and ovicellate zooid (arrows indicate tiny spine-bases on lateral gymnocysts); note the distal exposure of the ooecial kenozooid, with an extensive cryptocystal area. Pyriporoides murdochi n. sp. B–D, holotype, NIWA 136; E, unregistered: B, ovicellate zooid (note the spined ooecial kenozooid and the paired distal spines on the lateral gymnocyst of the maternal zooid); C, autozooids, showing short caudae; D, disposition of autozooidal spines; E, ancestrula. Scalebars: A, 500 µm. B–D, 200 µm; E, 100 µm.
FIGURE 9. Olisthella occlusa n. gen., n in Resolving the status of Pyriporoides and Daisyella (Bryozoa: Cheilostomata), with the systematics of some additional taxa of Calloporoidea having an ooecial heterozooid
FIGURE 9. Olisthella occlusa n. gen., n. sp., holotype, AU.J62: A, Autozooids and interzooidal kenozooids; B, Autozooids with kenozooidal closures; C, ovicellate zooid (note tiny spine-bases on lateral gymnocysts in A–C); D, E, ooecia, tilted distad to show the proximally facing endooecial openings. Scalebars: A–C, 200 µm; D, E, 100 µm.
FIGURE 7. Pyriporoides aviculata n in Resolving the status of Pyriporoides and Daisyella (Bryozoa: Cheilostomata), with the systematics of some additional taxa of Calloporoidea having an ooecial heterozooid
FIGURE 7. Pyriporoides aviculata n. sp. A–D, F, G, holotype, NIWA 98178; E, paratype, NIWA 98179: A, colony with ancestrula (an), interzooidal avicularium (av) and other zooids including one that is ovicellate; B, laterally budded interzooidal avicularium; C, ovicellate zooid with associated avicularian heterozooid; D, E, zooids with and without spines, respectively showing spine disposition and the opesia and cryptocyst; F, ancestrula, the closure plate with a tiny hooded pore; G, proximal zooid budded from ancestrula, with kenozooidal closure. Scalebars: A, 1 mm; B, D, E, G, 100; C, F, 200 µm.
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