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Mesalia
Taxonomy
Mesalia was named by Gray (1847) [Sepkoski's age data: K Albi-l R]. It is extant.
It was reranked as Turritella (Mesalia) by Wood (1879).
It was assigned to Turritella by Wood (1879); to Neotaenioglossa by Sepkoski (2002); to Turritellidae by White (1889), Stenzel and Turner (1940), Harris and Palmer (1947), Allison (1955), Palmer and Brann (1966), Abbass (1967) and Perrilliat et al. (2006); and to Pareorinae by Adegoke (1977), Titova (1994), Allmon (1996), Stilwell et al. (2004) and Squires and Saul (2007).
It was reranked as Turritella (Mesalia) by Wood (1879).
It was assigned to Turritella by Wood (1879); to Neotaenioglossa by Sepkoski (2002); to Turritellidae by White (1889), Stenzel and Turner (1940), Harris and Palmer (1947), Allison (1955), Palmer and Brann (1966), Abbass (1967) and Perrilliat et al. (2006); and to Pareorinae by Adegoke (1977), Titova (1994), Allmon (1996), Stilwell et al. (2004) and Squires and Saul (2007).
Species
M. (Mesalia), M. akinkugbei, M. akinolae, M. alabamiensis, M. bassiounii, M. brevialis, M. claibornensis, M. clarki, M. concava, M. fallockensis, M. ferialae, M. gigantia, M. goshourensis, M. inca, M. lincolnensis, M. martinezensis (syn. Turritella maccreadyi), M. minuta, M. pagoda, M. paleocenica, M. passi, M. pedinogyra, M. pumila, M. rathbuni, M. reymenti, M. rogersi, M. salvani, M. shatai, M. tricarinata, M. vetusta (syn. Cerithium striatum), M. virginiae, M. zitteli
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1847 | Mesalia Gray |
| 1879 | Turritella (Mesalia) Wood p. 26 |
| 1889 | Mesalia White p. 450 |
| 1937 | Stigmesalia Finlay and Marwick |
| 1940 | Mesalia Stenzel and Turner p. 842 |
| 1947 | Mesalia Harris and Palmer p. 297 |
| 1955 | Mesalia Allison p. 414 |
| 1966 | Mesalia Palmer and Brann p. 762 |
| 1967 | Mesalia Abbass p. 26 |
| 1977 | Mesalia Adegoke p. 83 |
| 1994 | Mesalia Titova p. 321 |
| 1996 | Mesalia Allmon p. 11 |
| 2002 | Mesalia Sepkoski |
| 2004 | Mesalia Stilwell et al. p. 29 |
| 2006 | Mesalia Perrilliat et al. p. 157 |
| 2007 | Mesalia Squires and Saul pp. 6 - 7 |
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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. Mesalia Gray 1847
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†Mesalia akinkugbei Adegoke 1977
†Mesalia akinolae Adegoke 1977
†Mesalia alabamiensis De Gregorio 1890
†Mesalia bassiounii Abbass 1967
Mesalia brevialis Lamarck 1822
†Mesalia clarki Dickerson 1914
†Mesalia concava Abbass 1967
†Mesalia fallockensis Tessier 1952
†Mesalia fallockensis ewekoroensis Adegoke 1977
†Mesalia ferialae Abbass 1967
†Mesalia gigantia Awad and Abed 1967
†Mesalia goshourensis Matsubara and Ugai 2006
†Mesalia inca Olsson 1934
†Mesalia lincolnensis Weaver 1916
†Mesalia minuta Abbass 1967
†Mesalia pagoda Cox 1930
†Mesalia paleocenica Awad and Abed 1967
†Mesalia passi Adegoke 1977
†Mesalia pedinogyra Oppenheim 1906
†Mesalia pumila Gabb 1860
†Mesalia rathbuni Maury 1934
†Mesalia reymenti Adegoke 1977
†Mesalia rogersi Adegoke 1977
†Mesalia salvani Adegoke 1977
†Mesalia shatai Abbass 1967
†Mesalia tricarinata Abbass 1967
†Mesalia virginiae Stilwell et al. 2004
†Mesalia zitteli Awad and Abed 1967
Invalid names: Stigmesalia Finlay and Marwick 1937 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Squires and L. R. Saul 2007 | Small to large (up to approximately 95 mm shell height), turritelliform, slender to conical rotund. Pleural angle ranges from 15° to 41°. Protoconch conical, small, smooth, and approximately two whorls. Protoconch to teleoconch transition gradual. Teleoconch whorls up to 16, whorl sides convex to flattish/concave. Sculpture on early juvenile teleoconch whorls variable, ranging from nearly smooth or with very fine, unicostate, whorls highly variable, ranging from smooth to numerous, weak to moderately strong closely spaced spiral ribs, but less commonly with fewer and more prominent spiral ribs. Growth lines parasigmoidal on last whorl (including base); lateral sinus variable in amount of concavity (flexure). Aperture with shallow effuse spout, ranging from somewhat constrained to broad. Adapical edge of spout usually forms weak spiral ridge that continues onto columella. |
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| height | 6 | 17.3 | 8.50 | 30.8 | 17.0 | 7.79 | |
| entire specimen height | 3 | 39.3 | 37.5 | 41.7 | 38.9 | 2.15 |
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| Source: g = genus, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Early/Lower Hettangian to the top of the Late/Upper Pleistocene or 201.30000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 196.5 Ma
Minimum age of oldest fossil (stem group age): 196.5 Ma
Collections (321 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Hettangian | Italy | M. zinkeni (29035 29049) | |
| Hauterivian | Spain (Castellon) | M. collombi (3726) | |
| Aptian | United Kingdom (England) | M. neocomiensis (1747 1851) | |
| Late/Upper Aptian | Mexico (Baja California) | M. mauryae (1890) | |
| Albian | Madagascar | M. ervyna (98244) | |
| Early/Lower Albian | United Kingdom (England) | M. tecta (1783) | |
| Early/Lower Albian | France | M. tecta (58379) | |
| Middle Albian | Madagascar (Mahajanga) | M. tecta (86503) | |
| Middle Albian - Late/Upper Albian | Madagascar (Mahajanga) | M. ervyna, M. tecta (86506) | |
| Late/Upper Albian - Early/Lower Cenomanian | Iran | M. sp. (185714 185717 185766) | |
| Cenomanian | USA (Texas) | M. shumardi (4641 4657) | |
| Cenomanian | Germany (Nordrhein-Westfalen) | M. multilineata (94265) | |
| Turonian | Gabon | M. inca (209488 209495) Turritella sp. (209531) | |
| Late/Upper Turonian | Brazil (Sergipe) | M. sp. (143743) | |
| Coniacian - Santonian | Egypt | M. sphyngis (114825) | |
| Maastrichtian | Antarctica (Seymour Island) | M. sp. (63518) | |
| Early/Lower Maastrichtian | Egypt (Nile Valley) | M. jovisammonis (3593) | |
| Late/Upper Maastrichtian | Egypt (Western Desert) | M. jovisammonis (3144) | |
| Early/Lower Paleocene | USA (Texas) | M. biplicata (84474) M. sp. (86466 86473 86475) Turritella alabamiensis (86416) | |
| Danian | USA (Georgia) | M. pumila (92153) M. sp. A (92176) Turritella alabamiensis (2832) | |