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Leymeriaster campestris van der Ham, Jagt & Janssens, 2011; Holotype (NHMM 2011 014), Early Campanian of Vaals-Eschberg, the Netherlands. Aboral (A), oral (B), right lateral (C) and posterior (D) views. Scale bar 10 mm. from van der Ham, R. W. J. M., Jagt, J. W. M. & Janssens, H. J. 2011. Leymeriaster campestris, a new early Campanian hemiasterid echinoid from southern Limburg, the Netherlands. Netherlands Journal of Geosciences — Geologie en Mijnbouw 90, 179-185.
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Palhemiaster natalyae Jagt et al., 2013 (holotype NHMM 2012 077) in various aspects. Scale bar equals 10 mm. from Jagt, J. W. M., Jagt-Yazykova, E. A. & Zonova, T. D. 2013. Notes on selected Cretaceous echinoids from south-central Sakhalin, Far East Russia. Netherlands Journal of Geosciences / Geologie en Mijnbouw 92/2-3, 123-132
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2018 University of California Museum of Paleontology
CalPhotos
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Leymeriaster campestris van der Ham, Jagt & Janssens, 2011; Paratype (NHMM VG 3047), Early Campanian of Vaals-Eschberg, the Netherlands. Aboral (A), oral (B), right lateral (C) and posterior (D) views. Scale bar 10 mm. from van der Ham, R. W. J. M., Jagt, J. W. M. & Janssens, H. J. 2011. Leymeriaster campestris, a new early Campanian hemiasterid echinoid from southern Limburg, the Netherlands. Netherlands Journal of Geosciences — Geologie en Mijnbouw 90, 179-185.
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Palhemiaster natalyae Jagt et al., 2013 (holotype NHMM 2012 077). Apical disc (top), plastron (middle) and peripetalous fasciole (bottom). from Jagt, J. W. M., Jagt-Yazykova, E. A. & Zonova, T. D. 2013. Notes on selected Cretaceous echinoids from south-central Sakhalin, Far East Russia. Netherlands Journal of Geosciences / Geologie en Mijnbouw 92/2-3, 123-132
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Leymeriaster campestris van der Ham, Jagt & Janssens, 2011; Paratype (NHMM VG 3047), Early Campanian of Vaals-Eschberg, the Netherlands. Adapical ambulacrum III. Scale bar 1 mm. from van der Ham, R. W. J. M., Jagt, J. W. M. & Janssens, H. J. 2011. Leymeriaster campestris, a new early Campanian hemiasterid echinoid from southern Limburg, the Netherlands. Netherlands Journal of Geosciences — Geologie en Mijnbouw 90, 179-185.
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Leymeriaster campestris van der Ham, Jagt & Janssens, 2011; Paratype (NHMM VG 3047), Early Campanian of Vaals-Eschberg, the Netherlands. Adoral plating. Scale bar 5 mm. from van der Ham, R. W. J. M., Jagt, J. W. M. & Janssens, H. J. 2011. Leymeriaster campestris, a new early Campanian hemiasterid echinoid from southern Limburg, the Netherlands. Netherlands Journal of Geosciences — Geologie en Mijnbouw 90, 179-185.
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2018 University of California Museum of Paleontology
CalPhotos
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Leymeriaster campestris van der Ham, Jagt & Janssens, 2011; Holotype (NHMM 2011 014), Early Campanian of Vaals-Eschberg, the Netherlands. Peripetalous fasciole. Scale bar 10 mm. from van der Ham, R. W. J. M., Jagt, J. W. M. & Janssens, H. J. 2011. Leymeriaster campestris, a new early Campanian hemiasterid echinoid from southern Limburg, the Netherlands. Netherlands Journal of Geosciences — Geologie en Mijnbouw 90, 179-185.
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Peripetalous fasciole of Leymeriaster campestris (A) (NHMM 2011 014, holotype), compared to that of L. maestrichtensis (B) (see Van der Ham, 1995, fig. 4b), L. eluvialis (C) (see Van der Ham, 1995, fig. 4a) and L. leymerii (D) (lower Turonian, Briollay, Anjou, France). Scale bar equals 10 mm. from van der Ham, R. W. J. M., Jagt, J. W. M. & Janssens, H. J. 2011. Leymeriaster campestris, a new early Campanian hemiasterid echinoid from southern Limburg, the Netherlands. Netherlands Journal of Geosciences — Geologie en Mijnbouw 90, 179-185.
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Dorsal
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Ventral
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Lateral
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Description: English: Palhemiaster comanchei fossil on display at the San Diego County Fair, California, USA. Date: 16 June 2010. Source: Own work. Author:
Stickpen. Permission(
Reusing this file): public domain.
