| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Laccognathus
Taxonomy
Laccognathus was named by Gross (1941).
It was assigned to Holoptychiidae by Vorobyeva (2006), Mondéjar‐Fernández et al. (2020).
It was assigned to Holoptychiidae by Vorobyeva (2006), Mondéjar‐Fernández et al. (2020).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1941 | Laccognathus Gross p. 19 |
| 2006 | Laccognathus Vorobyeva p. 312 |
| 2020 | Laccognathus Mondéjar‐Fernández et al. |
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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. †Laccognathus Gross 1941
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†Laccognathus embryi Downs et al. 2011
†Laccognathus grossi Vorobyeva 2006
†Laccognathus panderi Gross 1941
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Kiessling 2004, Hendy et al. 2009, Carroll 1988 | |||||
Age range: base of the Middle Givetian to the top of the Early/Lower Frasnian or 385.90000 to 379.00000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Givetian - Frasnian | Russian Federation | L. sp. (239155) | |
| Middle Givetian | Belarus | L. sp. (225887) | |
| Late/Upper Givetian | Estonia | L. sp. (225778) | |
| Late/Upper Givetian | Latvia | L. panderi, L. grossi (225777) | |
| Early/Lower Frasnian | Canada (Nunavut) | L. embryi (238424) | |
| Early/Lower Frasnian | Russian Federation | L. sp. (90343) |