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Figure 37 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part II: Species of Holaxonia, families Gorgoniidae and Plexauridae. ZooKeys 860: 67-182. https://doi.org/10.3897/zookeys.860.33597
Figure 37 Chromoplexauramarki, SEM images. ASBMNH 423061 A1 Double dunce-cap forms A2 Slightly smaller double dunce-cap forms A3 Coenenchymal sclerites A4 Anthocodial form BSBMNH 423072 B1 Double dunce-cap sclerites B2 Elongated spindles from coenenchyme B3 Coenenchymal sclerites. Images match variety shown in Williams 2013a (figs 14–17).
Figure 35 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part II: Species of Holaxonia, families Gorgoniidae and Plexauridae. ZooKeys 860: 67-182. https://doi.org/10.3897/zookeys.860.33597
Figure 35 Chromoplexauramarki, SBMNH 423060, SEM image. A Anthocodial sclerites B Small coenenchymal forms C Larger, distinctive "double dunce-cap" spindles D Odd spindle E Still smaller coenenchymal sclerites. Images match variety shown in Williams 2013a (figs 14–17).
Figure 33 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part II: Species of Holaxonia, families Gorgoniidae and Plexauridae. ZooKeys 860: 67-182. https://doi.org/10.3897/zookeys.860.33597
Figure 33 Chromoplexauramarki, SBMNH 265935. A Two colonies, larger of the two (only 7.0 cm tall) with conspicuous brittle star attached. Sclerites did not always consistently match sclerites seen in the species, illustrating variable nature of sclerite forms B Close up of branch tip, showing placement of calyces, color of polyp body and tentacles.
Figure 31 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part II: Species of Holaxonia, families Gorgoniidae and Plexauridae. ZooKeys 860: 67-182. https://doi.org/10.3897/zookeys.860.33597
Figure 31 Chromoplexauramarki, SBMNH 423072. A Colony with coenenchyme of a bright orange-red color with conspicuous white polyps. Sclerites did not always consistently match sclerites seen in the species, illustrating variable nature of sclerite forms. Specimen measures ~15.5 cm × ≤2 cm B Branch close-up, showing conspicuous white polyps C Close up of branch tip.
Figure 30 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part II: Species of Holaxonia, families Gorgoniidae and Plexauridae. ZooKeys 860: 67-182. https://doi.org/10.3897/zookeys.860.33597
Figure 30 Chromoplexauramarki, SBMNH 423062. A Specimen (whole colony). Sclerites did not always consistently match sclerites seen in the species, illustrating variable nature of sclerite forms. Colony measures ~16 cm × 10 cm B Close up, branches and branch tips, clearly showing bright red-orange color and distinctly white polyps of the species C.marki.
Figure 38 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part II: Species of Holaxonia, families Gorgoniidae and Plexauridae. ZooKeys 860: 67-182. https://doi.org/10.3897/zookeys.860.33597
Figure 38 Chromoplexauramarki, SEM images, representative forms. SBMNH 265937. A Anthocodial form B Typical double-dunce-cap C Smaller (developing?) double dunce-cap D–E Coenenchymal sclerites. Images match variety shown in Williams 2013a (figs 14–17).
Figure 3 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part II: Species of Holaxonia, families Gorgoniidae and Plexauridae. ZooKeys 860: 67-182. https://doi.org/10.3897/zookeys.860.33597
Figure 3 Adelogorgiaphyllosclera, SBMNH 51252, SEM image. Sclerites red-orange in color. A Short warted spindles (middle and right, potentially anthocodial sclerites) B Characteristic "leaf scale" sclerites C Warted coenenchymal spindles. Compare leaf scales shown here to those seen in Bayer 1979 (figs 5c, 6c).
Figure 26 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part II: Species of Holaxonia, families Gorgoniidae and Plexauridae. ZooKeys 860: 67-182. https://doi.org/10.3897/zookeys.860.33597
Figure 26 Leptogorgia sp. A, SBMNH 423080, Light microscopy image. All sclerites in SBMNH material are deep yellow in color. A–C Increasing magnifications of coenenchymal sclerites. In some specimens examined, the longest sclerites measured ~280–360 µm, and the smaller, more slender sclerites measured somewhere between 180–260 µm.
Figure 22 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part II: Species of Holaxonia, families Gorgoniidae and Plexauridae. ZooKeys 860: 67-182. https://doi.org/10.3897/zookeys.860.33597
Figure 22 Leptogorgiafilicrispa, SBMNH 423057-Holotype. SEM image, originally published as figure 2B–N in Horvath (2011, Proceedings of the Biological Society of WA, 124: 1, page 48). Image prepared by D Geiger, SBMNH. Color of sclerites variable, from white, cream, to pale, bright or deep pink, generally measuring in the range of 55–80 µm; coenenchymal spindles, scale bar 20 µm (B–F, H–J), coenencymal sclerite, scale bar 100 µm (G); anthocodial sclerites, scale bar 20 µm (K–N).
Figure 17 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part II: Species of Holaxonia, families Gorgoniidae and Plexauridae. ZooKeys 860: 67-182. https://doi.org/10.3897/zookeys.860.33597
Figure 17 Leptogorgiadiffusa, SBMNH 423090, light microscopy, 10×, showing sclerites typical of genus and this species. Note pale yellow anthocodial sclerite, upper middle portion of field, amongst deep red to mauve-pink spindles. Longest sclerites may be part of the anthocodial armature.
Figure 14 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part II: Species of Holaxonia, families Gorgoniidae and Plexauridae. ZooKeys 860: 67-182. https://doi.org/10.3897/zookeys.860.33597
Figure 14 Leptogorgiachilensis, SBMNH 422953. A Colony measures 25 cm, maximum length, 13.5 cm, broadest width B Detail of branching pattern (branch diameter ≤ 2.0 mm), and gall formation created by species of barnacle, a common occurrence on this and other gorgonian species.
Figure 13 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part II: Species of Holaxonia, families Gorgoniidae and Plexauridae. ZooKeys 860: 67-182. https://doi.org/10.3897/zookeys.860.33597
Figure 13 Eugorgialjubenkovia sp. nov., SBMNH 472232, SEM image. Sclerite color is white, but may give colony a very, very pale pink cast when in tissue. A Anthocodial sclerites B Double-discs (teeth evident in most) C Coenenchymal spindles.
Figure 12 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part II: Species of Holaxonia, families Gorgoniidae and Plexauridae. ZooKeys 860: 67-182. https://doi.org/10.3897/zookeys.860.33597
Figure 12 Eugorgialjubenkovia sp. nov., SBMNH 472232, light microscopy sclerite array. A 10×, showing rounded spindles and double discs. Note apparent quadriradiate, upper right B Sclerite array at 10×, illustrating stout, sharp-toothed double discs (seen in some species of Eugorgia). Sclerite color is white, but may give colony a very, very pale pink cast when in the tissue. Largest sclerites up to 100 µm, those shorter, rounder up to 70–75 µm.
Figure 11 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part II: Species of Holaxonia, families Gorgoniidae and Plexauridae. ZooKeys 860: 67-182. https://doi.org/10.3897/zookeys.860.33597
Figure 11 Eugorgialjubenkovia sp. nov., SBMNH 472232. A View of long, coiled specimen strands; when fully extended, longest strand length ~37 cm. Strand diameter (excluding polyp mound) ~1.0 mm B Magnification of branch strand, showing small, rounded polyp mounds.
Figure 2 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part II: Species of Holaxonia, families Gorgoniidae and Plexauridae. ZooKeys 860: 67-182. https://doi.org/10.3897/zookeys.860.33597
Figure 2 Adelogorgiaphyllosclera. ASBMNH 422403 [dry], slightly magnified image of branches BSBMNH 51252 [wet], rounded, slightly club-shaped branch tips.
Figure 29 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part II: Species of Holaxonia, families Gorgoniidae and Plexauridae. ZooKeys 860: 67-182. https://doi.org/10.3897/zookeys.860.33597
Figure 29 Chromoplexauramarki, SBMNH 423060 (Neotype). A This specimen, measuring 24–26 cm at greatest length, bears two different types of barnacle, a species that appears to be that of an acorn barnacle (forming the galls on this specimen), and clusters of a barnacle species that appears to be a "Lepas-type." The sclerites from this colony aligned with known specimens of C.markiB Branch tips at greater magnification.
Figure 25 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part II: Species of Holaxonia, families Gorgoniidae and Plexauridae. ZooKeys 860: 67-182. https://doi.org/10.3897/zookeys.860.33597
Figure 25 Leptogorgia species A, SBMNH 423080. Two specimens from same lot. A shows branching, the tortuous condition seen in some branches, and bright yellow color, with prominent calyces/polyps. Larger colony measures 6.0 cm × 3.0 cm B Close up of branches, showing bright yellow coenenchyme and prominent, conical mounds with white polyps.
Figure 21 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part II: Species of Holaxonia, families Gorgoniidae and Plexauridae. ZooKeys 860: 67-182. https://doi.org/10.3897/zookeys.860.33597
Figure 21 Leptogorgiafilicrispa, SBMNH 423057-Holotype. Close-up of branch, showing spacing of polyps; Scale bar: 1.0 mm. Image originally published as figure 1C in Horvath (2011, Proceedings of the Biological Society of WA, 124: 1, 47).
Figure 8 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, and Calcaxonia – Part I: Introduction, species of Scleraxonia and Holaxonia (Family Acanthogorgiidae). ZooKeys 860: 1-66. https://doi.org/10.3897/zookeys.860.19961
Figure 8 Acanthogorgiagracillimavar.typica. In situ, living colonies, illustrating vibrant yellow color, as seen in Santa Barbara Channel, photograph by D Schroeder; image courtesy of M Love, UCSB.
Figure 9 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, and Calcaxonia – Part I: Introduction, species of Scleraxonia and Holaxonia (Family Acanthogorgiidae). ZooKeys 860: 1-66. https://doi.org/10.3897/zookeys.860.19961
Figure 9 Acanthogorgiagracillimavar.typica, SBMNH 423074. A Whole colony preserved in 70% ETOH. Maximum height of colony 15–16 cm, ≤ 10 cm at widest point B magnified view of several branches; pronounced, rather spikey appearance of polyps is evident.
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