FIGURE 9 - uploaded by Rakhi Dutta
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Parallel evolution of median values of different morphological characters for three successive genera (including M and m) within Sivajiceratinae is plotted. Note that both M and m within the lineage show parallel evolutionary trends. D, U, W, and H are the same as in Figure 4. P= Primary rib (per half whorl) and S= Secondary rib (per half whorl). The dark horizontal line in the middle of the each box represents the median values, top frame of the box represents 75 th percentile, bottom frame of the box represents 25 th percentile and the bars at the end of vertical lines represent the minimum and the maximum data values without outliers (open circles). Sources are: Waagen, 1875; Spath, 1931; Collignon, 1958; Dutta and Bardhan, 2016.
Source publication
The genus Hubertoceras was described under the subfamily Proplanulitinae from the middle to upper Callovian (Middle Jurassic) beds of Kutch. Recently we revisited the Kutch Proplanulitinae and proposed a new endemic subfamily Sivajiceratinae for them. The new subfamily consists of the genera Sivajiceras, Kinkeliniceras, Obtusicostites and Hubertoce...
Contexts in source publication
Context 1
... AMMONOIDEA Zittel, 1884 Family PERISPHINCTIDAE Steinmann, 1890 Subfamily SIVAJICERATINAE Dutta and Bardhan, 2016Type genus SIVAJICERAS Spath, 1930Genus OBTUSICOSTITES Buckman, 1921 Type species. Perisphinctes obtusicosta fig. 2a, b; pl. 80, fig. 1 a,b (m). v 1931. Obtusicostites buckmani, Spath, pl. 49, fig. 9; pl. 53, fig. 3 a,b; pl. 62, fig. 8 [M] v 1931. Obtusicostites devi, Spath, pars, pl. 45, fig. 5; pl. 52, fig. 2 a,b; pl. 65, fig. 3 [M] v 1931. Obtusicostites devi, Spath, pars, pl. 55, fig. 4 [M] v 1931. Obtusicostites ushas, Spath, pl. 52, fig. 6; pl. 53, fig. l a,b; pl. 56, fig. 1; pl. 57, fig. 3; pl. 63, fig. 6 [M] v 1931. ...
Context 2
... [M] v 1931. Obtusicostites ushas, Spath, pl. 52, fig. 6; pl. 53, fig. l a,b; pl. 56, fig. 1; pl. 57, fig. 3; pl. 63, fig. 6 [M] v 1931. Kinkeliniceras crassiplanula, Spath, pl. 58, fig. 4, 5; pl. 65, fig. 4 fig. 4a-c; pl. 59, fig. l [m] v 1931. Hubertoceras omphalodes, (Waagen), Spath, pl. 49, figs. 7 a,b; pl. 61, fig. 4; pl. 65, fig. 2; pl. 67, fig. 9 [m] 1958. Obtusicostites aff. obtusicosta, (Waagen); Col- lignon, pl. 29, fig. 133 [M] 1958. Obtusicostites ushas, (Spath), Collignon, pl. 29, fig. 131 [M] 1958. Obtusicostites. buckmani, (Spath), Collignon, pl. 31, fig. 143 [M] 1958. Obtusicostites devi, (Spath), Collignon, pl. 31, fig. 144 [M] 1958. Kinkeliniceras kinkelini, ...
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Citations
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