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Praenucula
Taxonomy
Praenucula was named by Pfab (1934) [Sepkoski's age data: O Aren-l S Wenl-u Sepkoski's reference number: 948,1077,1117].
It was assigned to Nuculoida by Sepkoski (2002); and to Praenuculidae by Cox et al. (1969), Harrison and Harrison (1975), Vokes (1980), Fang (2006) and Bouchet et al. (2010).
It was assigned to Nuculoida by Sepkoski (2002); and to Praenuculidae by Cox et al. (1969), Harrison and Harrison (1975), Vokes (1980), Fang (2006) and Bouchet et al. (2010).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1934 | Praenucula Pfab p. 234 |
| 1969 | Praenucula Cox et al. p. N229 |
| 1975 | Praenucula Harrison and Harrison p. 210 |
| 1980 | Praenucula Vokes p. 1 |
| 2002 | Praenucula Sepkoski |
| 2006 | Praenucula Fang |
| 2010 | Praenucula Bouchet 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. †Praenucula Pfab 1934
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†Praenucula abrupta Kříž and Steinová 2009
†Praenucula albertina Ulrich 1894
†Praenucula applanans Barrande 1881
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Invalid names: Praenucula sharpei Babin and Gutiérrez-Marco 1991 [synonym]
†Praenucula costae Sharpe 1853
†Praenucula faba Liljedahl 1994
†Praenucula menapiensis Hicks 1873
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 5 | 7.16 | 4.23 | 10.8 | 7.40 | 2.42 | |
| valve diagonal | 5 | 7.20 | 4.23 | 11.1 | 7.40 | 2.53 |
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| Source: g = genus, f = family, c = class | |||||
| References: Meyer et al. 2009, Aberhan et al. 2004, Hendy 2009 | |||||
Age range: base of the Moridunian to the top of the Elton or 477.70000 to 421.30000 Ma
Collections (77 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Arenig | Morocco | P. sp. (20979 56608) | |
| Arenig | United Kingdom (Wales) | P. sp. (426) | |
| Moridunian | United Kingdom (Wales) | Ctenodonta menapiensis (89324) | |
| Whitlandian | United Kingdom (Wales) | P. menapiensis (3713 3714 166752) | |
| Oretanian | Spain (Toledo) | P. sp. (20898 20899) | |
| Oretanian | Spain (Cuidad Real) | P. sharpei (20918) | |
| Oretanian | Morocco | P. sharpei (56176) P. sp. (20978) | |
| Oretanian | Spain (Oviedo) | P. sp. (21094) | |
| Oretanian | Czech Republic | P. dispar, P. bohemica, P. applanans (229169) | |
| Oretanian | Spain (Guadalajara) | P. costae (20914) | |
| Llanvirn - Dobrotivian | Spain (Zaragoza) | P. sp. (21091) | |
| Darriwilian | Morocco (Anti-Atlas) | P. sp. (186254) | |
| Sarka | Czech Republic | P. dispar, P. bohemica, P. applanans (232240) P. sp. (3857) | |
| Sarka | Czech Republic (Plzeňský) | Nucula dispar, Leda bohemica, Nucula applanans (95016) | |
| Late/Upper Llandeilo | Spain | P. costae (20919) | |
| Late/Upper Llandeilo - Caradoc | Morocco (Maïder) | P. sp. (20988) | |
| Letna - Harnagian | Czech Republic | P. dispar (3861) | |
| Dobrotivian | Spain (Cuidad Real) | P. sp., P. costae (20891) | |
| Dobrotivian | Czech Republic | P. sp. (3859) | |
| Dobrotivian | Spain (Toledo and Cuidad Real) | P. sp. (20893) | |
| Dobrotivian | Portugal | Praeleda costae (193319 193320 193328) | |
| Dobrotivian | Spain (Ciudad Real) | P. costae (174660) | |
| Dobrotivian | Spain (Cáceres) | P. costae (174658) | |
| Dobrotivian | Spain (Guadalajara) | P. costae (194899 194900) | |
| Dobrotivian - Berounian | Morocco (Maïder) | P. costae (20970) | |
| Dobrotivian - Caradoc | Spain (Ciudad Real) | P. sp. (20892) | |
| Costonian | Argentina | P. sp. (8874) | |
| Soudleyan - Longvillian | United Kingdom (Northern Ireland) | P. dispersa (13840) | |
| Caradoc | USA (Wisconsin) | P. spp. (55651) | |
| Caradoc | Canada (Quebec) | P. sp. (77221) | |
| Caradoc | Argentina (San Juan) | P. sp. (13513) | |
| Late/Upper Ordovician | USA (Maryland) | P. lavata (411) | |
| Late/Upper Ordovician | USA (Virginia) | P. sp. (343) | |
| Caradoc - Ashgill | Morocco | P. sp. (20961) | |
| Berounian - Harnagian | Czech Republic | P. bohemica (155058 233135) | |
| Berounian | Czech Republic | P. bohemica (197259) | |
| Berounian | Czech Republic (Prague) | P. bohemica (233137) | |
| Vinice - Late/Upper Ordovician | Czech Republic | P. sp. (3863) | |
| Zahorany - Late/Upper Ordovician | Czech Republic | P. sp. (3865) | |
| Blackriveran | USA (Wisconsin) | P. sp. (416) P. spp. (168429) | |
| Chatfieldian | Canada (Ontario) | Ctenodonta albertina (26271) | |
| Edenian | USA (Pennsylvania and Virginia) | P. levata (77103) | |
| Maysvillian | USA (Virginia) | Ctenodonta albertina (5396) | |
| Richmondian | USA (Iowa) | P. sp. (356) | |
| Cautleyan - Rawtheyan | United Kingdom (Wales) | P. sp. (8389) | |
| Cautleyan - Ashgill | United Kingdom (Northern Ireland) | P. praetermissa, P. infirma (13841) | |
| Rawtheyan | Norway (Oslo-Asker) | P. sp. (366) | |
| Rawtheyan | Morocco (Zagora) | P. sp. (193841) | |
| Rawtheyan | United Kingdom (Wales) | P. sp. (8326 8327 8328 8330 8366 8369 8370 8371 192503) | |
| Hirnantian | Sweden (Jamtland) | P. sp. (153332) | |
| Hirnantian | Czech Republic (Praha) | P. dispar, P. abrupta (149320) | |
| Llandovery | USA (Ohio) | P. sp. (448) | |
| Telychian | United Kingdom (Scotland) | P. thracoides (23301) | |
| Wenlock - Ludlow | Argentina | P. plicata (25060 25062) | |
| Homerian | Sweden (Gotland) | P. faba (13644) | |
| Ludlow | United Kingdom (England) | P. sp. (482) | |
| Elton | United Kingdom (Wales) | P. sp. (75052) |