Palaeobiology of Silurian Leptaeninae (Brachiopoda) from Gotland, Sweden

<table>Life position versus postmortem orientation. Scale bar = 1 cm (= 0.5 cm in detail pictures). (a) <i>L. depressa depressa</i>. PMU G1055; Halla Formation, Fröjel. Section of conjoined valves buried with commisure horizontal. (b) <i>L. depressa depressa</i>. PMU G1051; Halla Formation, Fröjel. Section of conjoined valves apparently buried with disc in a more or less vertical attitude. (c) <i>L. depressa visbyensis</i>. SGU 9225; Visby Formation Underside of a slab from the Visby Formation showing several individuals of Leptaena depressa visbyensis buried with their umbo pointing downwards. Note that this subspecies had a small, open foramen.</table>

Paleontology Journal

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Figure 2

Figure 2: Palaeobiology of Silurian Leptaeninae (Brachiopoda) from Gotland, Sweden 