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![FIGURE 3—Typical bedding surfaces of Unit 9, Rapid Member of the Little Cedar Formation. (A) Surface showing probable mixed taphonomic regimes. Note excellent preservation of crinoid calyx and bryozoan fronds, mixed with fragments and disarticulated brachiopod shell. (B) Surface showing conspecifically clustered Spinatrypa bellula. Note concentric lamellose frills extended into spines]()
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Spinatrypa bellula
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Journal Article
Neighbor Proximity Analysis, A Technique for Assessing Spatial Patterns in The Fossil Record
Journal: PALAIOS
Publisher: SEPM Society for Sedimentary Geology
Published: 01 August 2004
PALAIOS (2004) 19 (4): 396–407.
... Gorge, Coralville, Iowa. The results indicate that of the common brachiopod present, Spinatrypa bellula clustered conspecifically during life. 30 01 2004 Society for Sedimentary Geology 2004 Spatial aggregation can be determined by a wide variety of methods. One of the earliest...
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FIGURE 3 —Typical bedding surfaces of Unit 9, Rapid Member of the Little Ce...
in Neighbor Proximity Analysis, A Technique for Assessing Spatial Patterns in The Fossil Record
> PALAIOS
Published: 01 August 2004
conspecifically clustered Spinatrypa bellula . Note concentric lamellose frills extended into spines
Journal Article
GEOLOGY OF HUDSON BAY BASIN
Publisher: Canadian Society of Petroleum Geologists
Published: 01 December 1966
Bulletin of Canadian Petroleum Geology (1966) 14 (4): 520–578.
... williamsi (Fritz, Lemon and Norris), Billingsastraea sp., Atrypa sp., cf . A. scutiformis Stainbrook, A . sp., cf. A . rustica Stainbrook, Spinatrypa mascula Stainbrook, S . GEOLOGY OF HUDSON BAY BASIN 563 bellula (Stainbrook) ?, Emanuella richardsoni (Meek), ?Stringocephalus sp., Cranaena sublingulata...
