. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. 266 Bulletin of the Museum of Comparative Zoology, Vol. 159, No. 5. Figure 18. Parasmittina barbadensis-2. A. Close-up of another ovicelled zooid. Scale bar = 50 |im. B. Magnified view of orifice to show narrow lyrula and denticulate condyles. Scale bar =20 urn. C. Greatly magnified view of condyle. Scale bar =10 urn. D. Another condyle at higher magnification. Scale bar = 2 |im. rugosa Hayward, 1974, has oral spines in- itially that diminish away from the ancestrual region (Hayward and McKinney, 2002, p. 76)
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. 266 Bulletin of the Museum of Comparative Zoology, Vol. 159, No. 5. Figure 18. Parasmittina barbadensis-2. A. Close-up of another ovicelled zooid. Scale bar = 50 |im. B. Magnified view of orifice to show narrow lyrula and denticulate condyles. Scale bar =20 urn. C. Greatly magnified view of condyle. Scale bar =10 urn. D. Another condyle at higher magnification. Scale bar = 2 |im. rugosa Hayward, 1974, has oral spines in- itially that diminish away from the ancestrual region (Hayward and McKinney, 2002, p. 76). Distribution. Barbados. Specimens Examined. MCZ 100127. Hassler Box 2, Barbados, 80 fm. December 1871. Genus Metroperiella Canu & Bassler, 1917 Metroperiella agassizi new species Figure 21 Codonellina montferrandii Lagaaij, 1963: 196, pi. VI, fig. 3. NOT Flustra montferrandii Audouin, 1826: 240. Holotype. Codonellina agassizi. MCZ 100128. Hassler Box 11, Barbados, 100 fm. December 1871. Etymology. Named in honor of Louis Agassiz. Description. Colony encrusting, unilami- nar (Fig. 21A). Zooids oval to polygonal in shape, zooid margins well defined by the raised rims of adjoining lateral walls (, Figs. 21B, C). Frontal shield convex and finely and evenly porous. Orifice (Fig. 21D) horseshoe-shaped, anterior portion trans- versely oval with short, pointed condyles, posterior portion shallowly U-shaped. It is surrounded by a low peristomial collar with. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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