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6 results for “Nodastrella”
FIGURE 5 in Integrative taxonomy justifies a new genus, Nodastrella gen. nov., for North Atlantic " Rossella " species (Porifera: Hexactinellida: Rossellidae)
FIGURE 5. Nodastrella asconemaoida sp. nov. ZMAPOR 19715, skeleton. Scanning electron micrographs. (A) Microdiscohexaster. (B) Oxyhexaster.
FIGURE 2 in Integrative taxonomy justifies a new genus, Nodastrella gen. nov., for North Atlantic " Rossella " species (Porifera: Hexactinellida: Rossellidae)
FIGURE 2. Nodastrella nodastrella holotype, skeleton. Scanning electron micrographs. (A) Calycocome. (B) Atrial hexactin. (C) Pappocome-like oxyhexaster with most secondary rays broken off. (D) Regular oxyhexaster. (E) Discaster.
FIGURE 3 in Integrative taxonomy justifies a new genus, Nodastrella gen. nov., for North Atlantic " Rossella " species (Porifera: Hexactinellida: Rossellidae)
FIGURE 3. Nodastrella asconemaoida sp. nov. USNM 1150045, specimen (A) and skeleton (B–H). (B, C, E, F) scanning electron micrographs; (D, G, H) light micrographs. (A) Deck photograph of specimen. (B) Dermal stauractin. (C) Atrial hexactin. (D) Dermal tauactin. (E) Microdiscohexaster. (F) Oxyhexaster. (G) "Calycocome" with numerous secondary rays and hardly developed calyces (= calycocome-like stellate discohexaster) (40X). (H) "Proper" calycocome with fewer secondary rays and well-developed calyces (40X).
FIGURE 6 in Integrative taxonomy justifies a new genus, Nodastrella gen. nov., for North Atlantic " Rossella " species (Porifera: Hexactinellida: Rossellidae)
FIGURE 6. Maximum likelihood phylogram of Rossellidae inferred from concatenated 18S, 28S, 16S, and COI sequences using mixed models (see Methods for details). Outgroups (Oopsacas minuta + Leucopsacus sp.) omitted for clarity. The alignment has 4110 bp, 686 distinct alignment patterns, and 7.84% gaps. Bootstrap proportions are given at nodes; the values are based on 100 pseudoreplicates as determined by the autoMRE bootstopping criterion (Pattengale et al. 2010). Scale bar indicates expected number of substitutions per site. Previously unpublished specimens highlighted in boldface. The alignment and the tree have been deposited in TreeBASE under Study-Nr. 12795.
FIGURE 1. Nodastrella nodastrella USNM 1150046 in Integrative taxonomy justifies a new genus, Nodastrella gen. nov., for North Atlantic " Rossella " species (Porifera: Hexactinellida: Rossellidae)
FIGURE 1. Nodastrella nodastrella USNM 1150046, specimen (A) and skeleton (B–G). (B–E, G) scanning electron micrographs; (F) light micrograph. (A) Deck photograph of specimen attached to Lophelia coral. (B) Dermal stauractin. (C) Detail of calycocome. (D) Cluster of calycocomes and a discaster (lower left). (E) Pappocome-like oxyhexaster with most secondary rays broken off. (F) Complete pappocome-like oxyhexaster. (G) Discaster.
FIGURE 4 in Integrative taxonomy justifies a new genus, Nodastrella gen. nov., for North Atlantic " Rossella " species (Porifera: Hexactinellida: Rossellidae)
FIGURE 4. Underwater picture of Nodastrella asconemaoida sp. nov. HBOI 5-VIII-05-1-004, taken by Johnson-Sea-Link II on Miami Terrace, Straits of Florida, Reed Site BU2, August 05, 2005. Courtesy of HBOI, Ft. Pierce, Florida. Right specimen is ca. 22 cm tall.
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