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Helochelydra
Taxonomy
Helochelydra was named by Nopcsa (1928). Its type is Helochelydra nopcsai.
It was assigned to Helochelydrinae by Nopcsa (1928) and Kuhn (1966); to Solemdidae by Lapparent de Broin and Murelaga (1999); to Solemydidae by Milner (2004), Milner (2011) and Pérez-García et al. (2012); and to Helochelydridae by Joyce (2017).
It was assigned to Helochelydrinae by Nopcsa (1928) and Kuhn (1966); to Solemdidae by Lapparent de Broin and Murelaga (1999); to Solemydidae by Milner (2004), Milner (2011) and Pérez-García et al. (2012); and to Helochelydridae by Joyce (2017).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1928 | Helochelydra Nopcsa |
| 1966 | Helochelydra Kuhn p. 25 |
| 1999 | Helochelydra Lapparent de Broin and Murelaga |
| 2004 | Helochelydra Milner pp. 1456-1457 |
| 2011 | Helochelydra Milner p. 297 |
| 2012 | Helochelydra Pérez-García et al. |
| 2017 | Helochelydra Joyce |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Helochelydra Nopcsa 1928
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†Helochelydra anglica Lydekker 1889
†Helochelydra bakewelli Mantell 1833
†Helochelydra nopcsai Lapparent de Broin and Murelaga 1999
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. R. Milner 2004 | (after de Lapparent de Broin and Murelaga 1999). Solemydid with shell decorated completely with separate raised tubercles, thin pustules about 1 mm in diameter forming vermiculate ridges towards the medial parts of the pleurals, entoplastral scute possibly oval/rounded and situated towards the anterior of the entoplastron. |