. Bulletin of the Natural Histort Museum. Geology series. . 0 p 0 ^0 ^: Fig. 84 Measurements taken on cystoporates in this study; a, Fistulipora imrustam (Pliiiiips, 1836): b, Sulcoretepora parallela (Phillips, 1836): c, ^ Goniocladia cellulifera (Etheridge, 1873b): ZT = Zoarial thickness from basal wall to upper zoarial surface; BW1 = Branch width measured parallel to ; median wall: BW2 = Branch width measured perpendicular to median wall; MS = Distance between adjacent monticule measured from centre to centre: VI = Number of vesicles contained along a 1 mm line; FL = Fenestrule length: FW =


. Bulletin of the Natural Histort Museum. Geology series. . 0 p 0 ^0 ^: Fig. 84 Measurements taken on cystoporates in this study; a, Fistulipora imrustam (Pliiiiips, 1836): b, Sulcoretepora parallela (Phillips, 1836): c, ^ Goniocladia cellulifera (Etheridge, 1873b): ZT = Zoarial thickness from basal wall to upper zoarial surface; BW1 = Branch width measured parallel to ; median wall: BW2 = Branch width measured perpendicular to median wall; MS = Distance between adjacent monticule measured from centre to centre: VI = Number of vesicles contained along a 1 mm line; FL = Fenestrule length: FW = Fenestrule width: AD 1 = Autozooecia apertural diameter measured! parallel to growth direction; AD2 = Autozooecia apertural diameter measured perpendicular to growth direction: AS = Autozooecia apertural spacing; minimum distance between two adjacent autozooecial apertures, measured from their centres; LAD = Autozooecia apertural length measured from lunaria to opposite side; TAD = Autozooecia apertural width measured perpendicular to LAD; LID = Autozooecia apertural spacing in same longitudinaj row TID = Autozooecia apertural spacing between adjacent rows; Z1 = Number of complete autozooecial apertures contained in 1 mm-; Z2 = Number ' of complete autozooecial apertures contained in a 2mm line; LW = Lunarium width; LT = Lunarium thickness; LD = Lunarium depth: V2 = Number of vesicles seen in transverse section contained along a 1mm line; Dl = Number of diaphragms contained within 1mm. large hood- or cowl-like lunaria are developed. These are mm high and cover approximately half the aperture. They are similar to those illustrated by Warner & Cuffey (1973) in F. iiicnistans Moore and F. carhonaria. Monticules are regularly arranged between 2 and 5mm apart and are conspicuously elevated above the general surface of zoaria. Small maculae (sensu Anstey 1981) are found at the apex of each monticule. Autozooecia develop in intersecting semi-circular rows away from monticules.


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