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Euryplacidae
Taxonomy
Euryplacidae was named by Stimpson (1871). It is extant. Its type is Euryplax.
It was assigned to Goneplacoidea by Karasawa and Schweitzer (2006), Schweitzer et al. (2010), Luque et al. (2017) and Schweitzer et al. (2022).
It was assigned to Goneplacoidea by Karasawa and Schweitzer (2006), Schweitzer et al. (2010), Luque et al. (2017) and Schweitzer et al. (2022).
Subtaxa
Synonymy list
Year | Name and author |
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1871 | Euryplacidae Stimpson |
2006 | Euryplacidae Karasawa and Schweitzer p. 57 |
2010 | Euryplacidae Schweitzer et al. p. 133 |
2017 | Euryplacidae Luque et al. p. 45 |
2022 | Euryplacidae Schweitzer et al. p. 5 |
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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.
Fm. Euryplacidae Stimpson 1871
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G. †Chlinocephalus Ristori 1886
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†Chlinocephalus demissifrons Ristori 1886
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Invalid names: Titanocarcinus sculptus Ristori 1891 [synonym]
†Chlinocephalus subovalis Ristori 1891
G. †Corallicarcinus Muller and Collins 1991
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†Corallicarcinus planus Muller and Collins 1991
†Corallicarcinus spinosus Lorenthey 1929
G. †Eucrate de Haan 1833
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Eucrate crenata De Haan 1835
†Eucrate martini Rathbun 1926
†Eucrate puliensis Hu and Tao 1996
Invalid names: Pilumnoplax Stimpson 1858 [synonym]
G. †Orbitoplax Tucker and Feldmann 1990
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†Orbitoplax aldersoni Squires 1980
†Orbitoplax plafkeri Tucker and Feldmann 1990
†Orbitoplax tuckerae Schweitzer 2000
†Orbitoplax weaveri Rathbun 1926
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, c = class | |||||
References: Aberhan 1992, Turnsek 1997 |
Age range
Maximum range based only on fossils: base of the Danian to the top of the Holocene or 66.00000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 61.6 Ma
Minimum age of oldest fossil (stem group age): 61.6 Ma
Collections (34 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Danian | Argentina (Rio Negro) | Glyphithyreus wichmanni (5162) | |
Danian | Argentina (Neuquen) | Glyphithyreus wichmanni (5166) | |
Paleogene | Mexico (Chiapas) | Stoaplax nandachare (133557) | |
Paleogene | Hungary (Budapest) | Corallicarcinus planus, Corallicarcinus spinosus (138811) | |
Ypresian | USA (Washington) | Glyphithyreus weaveri (146903) | |
Ypresian | USA (Oregon) | Plagiolophus weaveri (90092) | |
Ypresian | Italy (Verona) | Baldoplax bonizzatoi (127461) | |
Ypresian | USA (California) | Glyphithyreus weaveri (201247) | |
Ypresian | Italy | Prealpiplax lessinea (207470) | |
Eocene | USA (California) | Orbitoplax weaveri (138985 138986 139006) | |
Lutetian | USA (California) | Glyphithyreus weaveri (51922) Orbitoplax weaveri (200664 200667 200668) | |
Lutetian | Italy (Verona) | Baldoplax bonizzatoi (226535) | |
Middle Eocene | Mexico (Chiapas) | Stoaplax nandachare (202319) | |
Middle Eocene | USA (California) | Glyphithyreus weaveri (202049) Orbitoplax weaveri (138987 139005 139007) | |
Priabonian | Italy | Corallicarcinus planus, Corallicarcinus spinosus (207550) Orbitoplax sp. (226756) | |
Early/Lower Oligocene | Italy (Vicenza) | Corallicarcinus sp. (147005) | |
Oligocene | USA (Oregon) | Eucrate martini (139022) | |
Late/Upper Oligocene - Early/Lower Miocene | USA (Alaska) | Orbitoplax plafkeri (7954) | |
Burdigalian | Panama | Euryplax culebrensis (42611) | |
Pliocene | Italy | Chlinocephalus demissifrons (139185 221587) | |
Gelasian - Calabrian | Philippines (Mindanao) | Eucrate sp. (224586) | |
Calabrian | Italy (Umbria) | Chlinocephalus demissifrons (193967) | |
Calabrian | Italy | Chlinocephalus demissifrons (234413) | |
Holocene | USA (Flrida) | Euryplax nitidus (146568) |