File:GSG GLA FIG 21 02.jpg: Difference between revisions

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English: Figure 21.2 Some of the fish (a-g), eurypterids (h, i) and plant (j) fossils that occur in the Fish Bed: all natural size unless otherwise indicated. a, b, thelodont Lanarkia spinosa (after Traquair), a, as it appears flattened in the rock (Logania taiti also occurs here–compare with (Figure 22.1) b); b, detail of trunk denticles (x6); c, unarmoured anaspid Lasanius problematicus (after Parrington and Miles); d, armoured anaspid Birkenia elegans (after Stetson, Heintz and Ritchie). e-g, cephalaspid Ateleaspis tessellata, e, upper surface of head-shield; f, side view; (after Ritchie) ; g, spinous scales from trunk behind head and from low down on sid e, x2 (after Traquair), h, i, sea-scorpion Lanarkopterus dolichoschelus, h, under surface, showing type A (?male) genital appendage,and i, upper surface, X0.5 (after Ritchie), j. ?alga Taitia catena (after Crookall ).

From: Lawson, J.D. and Weedon, D.S. (editors). 1992. Geological excursions around Glasgow & Girvan. Glasgow : Geological Society of Glasgow.

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Geological Society of Glasgow

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Geological Society of Glasgow

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© 1992. Geological Society of Glasgow. All rights reserved. Published by the Geological Society of Glasgow. For all uses of the images please contact the Geological Society Glasgow. [1]

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Hagshaw Hills - an excursion

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 {{Information
-|description={{en|1=Figure 21.2 Some of the fish (a-g), eurypterids (h, i) and plant (j) fossils that occur in the Fish Bed: all natural size unless otherwise indicated. a, b, thelodont Lanarkia spinosa (after Traquair), a, as it appears flattened in the rock (Logania taiti also occurs here–compare with Figure 22.1 b); b, detail of trunk denticles (x6); c, unarmoured anaspid Lasanius problematicus (after Parrington and Miles); d, armoured anaspid Birkenia elegans (after Stetson, Heintz and Ritchie). denticles are sub-circular, crenulated and interlocking, whereas posteriorly they become more elongate and spined (Figure 22.1 c-e). The thelodonts Lanarkia horrida, L. spinosa and L. spinulosa are similar to Logania in body form, but their denticles are distinctive in being relatively long, hollow, conical spines (Figure 21.2 a, b).
+|description={{en|1=Figure 21.2 Some of the fish (a-g), eurypterids (h, i) and plant (j) fossils that occur in the Fish Bed: all natural size unless otherwise indicated. a, b, thelodont ''Lanarkia spinosa'' (after Traquair), a, as it appears flattened in the rock (''Logania taiti'' also occurs here–compare with [[Media:GSG_GLA_FIG_21_01.jpg|(Figure 22.1)]] b); b, detail of trunk denticles (x6); c, unarmoured anaspid Lasanius problematicus (after Parrington and Miles); d, armoured anaspid ''Birkenia elegans'' (after Stetson, Heintz and Ritchie). e-g, cephalaspid ''Ateleaspis tessellata'', e, upper surface of head-shield; f, side view; (after Ritchie) ; g, spinous scales from trunk behind head and from low down on sid e, x2 (after Traquair), h, i, sea-scorpion ''Lanarkopterus dolichoschelus'', h, under surface, showing type A (?male) genital appendage,and i, upper surface, X0.5 (after Ritchie), j. ?alga ''Taitia catena'' (after Crookall ).
 {{GSGGlasgow}}}}
 |date=2019-02-11 09:04:40