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Mecaster
Taxonomy
Mecaster was named by Pomel (1883).
It was reranked as Hemiaster (Mecaster) by Fischer (1966) and Berndt (2003).
It was assigned to Hemiaster by Fischer (1966) and Berndt (2003); to Spatangoida by Smith (2006); and to Hemiasteridae by Smith (1991), Smith (1995), Manso and Andrade (2008) and Smith (2010).
It was reranked as Hemiaster (Mecaster) by Fischer (1966) and Berndt (2003).
It was assigned to Hemiaster by Fischer (1966) and Berndt (2003); to Spatangoida by Smith (2006); and to Hemiasteridae by Smith (1991), Smith (1995), Manso and Andrade (2008) and Smith (2010).
Species
Hemiaster (Mecaster) luynesi, Hemiaster (Mecaster) syriacus, M. africanus, M. aumalensis, M. batnensis (syn. Hemiaster jacksoni, Leiostomaster boesei, Hemiaster cedroensis, Hemiaster delgadoi), M. fourneli, M. nicaisei, M. orbignyanus, M. palpebratus, M. pseudofourneli, M. semicavatus, M. toucasanus, M. verneuili, M. victoris
Species lacking formal opinion data
Synonymy list
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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. †Mecaster Pomel 1883
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†Hemiaster (Mecaster) luynesi Cotteau 1869
†Hemiaster (Mecaster) syriacus Conrad in Lynch 1852
†Mecaster africanus Coquand 1862
†Mecaster aumalensis Coquand 1862
†Mecaster batnensis Coquand 1862
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Invalid names: Hemiaster cedroensis Maury 1936 [synonym], Hemiaster delgadoi de Loriol 1888 [synonym], Hemiaster jacksoni Maury 1925 [synonym]
†Mecaster fourneli Agassiz and Dessor 1847
†Mecaster nicaisei Coquand 1862
†Mecaster orbignyanus Desor 1857
†Mecaster palpebratus Loriol 1888
†Mecaster pseudofourneli Peron and Gauthier 1878
†Mecaster semicavatus Peron and Gauthier 1880
†Mecaster toucasanus d'Orbigny 1854
†Mecaster verneuili Desor 1847
†Mecaster victoris Lambert 1932
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan 1992, Kiessling 2004 | |||||
Age range: base of the Cenomanian to the top of the Early/Lower Campanian or 100.50000 to 70.60000 Ma
Collections (254 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Albian | Egypt | Hemiaster syriacus (140642) M. aumalensis (191716) | |
| Late/Upper Albian - Cenomanian | Egypt | Hemiaster newtoni, Hemiaster syriacus, Hemiaster pseudofourneli (150677) Hemiaster syriacus (150737 150874) | |
| Cenomanian | Spain | M. scutiger (175376) | |
| Cenomanian | Jordan | Hemiaster batnensis (96246) Hemiaster syriacus, Hemiaster luynesi, Hemiaster batnensis (96247) M. pseudofourneli (140949) | |
| Cenomanian | France (Charentes) | M. grossouvrei (64881) | |
| Cenomanian | France (Landes) | M. cenomanensis (213767) | |
| Cenomanian | USA (New Mexico) | Hemiaster jacksoni (88813) | |
| Cenomanian | Saudi Arabia | M. orbignyanus (195497 195499) M. pseudofourneli (195501) | |
| Early/Lower Cenomanian | Egypt | Hemiaster pseudofourneli (140114) Hemiaster syriacus (140612 140613) M. aumalensis (220862 220863 220864 220865 220866) | |
| Early/Lower Cenomanian - Middle Cenomanian | Egypt | Hemiaster fourneli (150675) Hemiaster syriacus (150787) | |
| Late/Upper Cenomanian | Nigeria | M. pseudofourneli (4040 4045 4048 4055 4058 28152 28153 28154 210160 210161) M. sp. A (210163) | |
| Late/Upper Cenomanian | Brazil | Hemiaster jacksoni (140840) M. batnensis (126842 126860 140980 141015 141022 175460) M. sp. (141016 141017 141021) | |
| Late/Upper Cenomanian | USA (New Mexico) | M. batnensis (175429 197663 197664 197665 197666 197667 197668 197669 197670 197671) | |
| Late/Upper Cenomanian | USA (Arizona) | Hemiaster jacksoni (53486 53505 53923 53925 53931 54154 55630 55812 55814) | |
| Late/Upper Cenomanian | Portugal (Região do Centro) | M. sp. (224527) | |
| Late/Upper Cenomanian | Egypt | Hemiaster batnensis (114793 114795) Hemiaster syriacus (114794 114809 140240 140578) | |
| Middle Cenomanian - Late/Upper Cenomanian | Egypt | Hemiaster batnensis (114792) | |
| Middle Cenomanian - Late/Upper Cenomanian | Brazil | M. batnensis (141008 141009) M. sp. (126827 126831 126834) | |
| Late/Upper Cenomanian - Early/Lower Turonian | Egypt | Hemiaster fourneli (150676) | |
| Late/Upper Cenomanian - Early/Lower Turonian | Nigeria | Hemiaster sp. (83019) | |
| Turonian | Spain | M. scutiger, M. palpebratus (175378) | |
| Turonian | Gabon | M. pseudofourneli, M. toucasanus, M. palpebratus (209611) M. semicavatus (209528) M. sp. 1, M. sp. 2, M. pseudofourneli, M. orbignyanus, M. africanus, M. verneuili, M. toucasanus, M. semicavatus, M. palpebratus (209609) M. toucasanus, M. semicavatus, M. palpebratus (209610) | |
| Turonian - Coniacian | Peru | Hemiaster fourneli (88672) | |
| Turonian - Early/Lower Campanian | Brazil | M. fourneli (195883) | |
| Early/Lower Turonian | Brazil (Sergipe) | Hemiaster jacksoni, Hemiaster cedroensis (87858) M. batnensis (142876 142878 142879 142881 143068 143101 143121 143126 143127) | |
| Early/Lower Turonian | USA (Texas) | Hemiaster jacksoni (78186 197701 197702 197703 197704) | |
| Early/Lower Turonian | Brazil | Hemiaster jacksoni (140888) M. batnensis (126909 141030 195525 195526 195527 195529 195530 195532 195535 195536 195544 195546 195547 195548 195549 195551 195574 195577 195578 195583 195623 195624 195683 195715 195719) M. batnensis, M. fourneli (195543 195716 195718) M. sp. (126829 126908 195528 195531 195534 195538 195545 195550 195573 195575 195576 195579 195581 195582 195617 195618 195619 195621 195622 195684 195686 195688 195713 195714 195717) M. texanum, M. fourneli (98673) | |
| Early/Lower Turonian | Spain | M. scutiger (175375) | |
| Early/Lower Turonian | Egypt | Hemiaster fourneli (140245 140587) Hemiaster heberti (114799 114815 114816 114817 114898 114899) | |
| Early/Lower Turonian | Peru | Hemiaster fourneli (158989) | |
| Early/Lower Turonian | Nigeria | Hemiaster sp. (83021 83025 83026) | |
| Early/Lower Turonian | Gabon | M. sp., M. batnensis, M. nicaisei (209536) | |
| Early/Lower Turonian - Middle Turonian | Brazil | Hemiaster jacksoni (140889) | |
| Late/Upper Turonian | Brazil (Sergipe) | M. fourneli (143529 143530 143533 143535 143536 143537 143538 143539 143541 143543 143545 143547 143548 143549 143551 143553 143555 143557 143559 143563 143566 143578 143581 143582 143654 143694 143699 143701 143705 143708 143713 143717 143720 143724 143731 143733 143735 143736 143739 143741 143742 143744) | |
| Late/Upper Turonian | Egypt | Hemiaster fourneli (114802 140624) | |
| Late/Upper Turonian | Brazil | Hemiaster jacksoni (140890) M. africanus (195721) M. batnensis (90505) M. fourneli (90492 90506 195723 195724 195725 195726) M. sp. (142831 195727 195728) | |
| Middle Turonian | Nigeria | M. fourneli (210162) M. scutiger (4060) | |
| Middle Turonian | Brazil | M. batnensis (144394) | |
| Middle Turonian | Egypt | Hemiaster fourneli (140320) | |
| Middle Turonian | Brazil (Sergipe) | M. batnensis (143167 143169 143177 143181 143186 143188) | |
| Coniacian | Peru (Cajamarca) | Hemiaster fourneli (88156) | |
| Coniacian | Cameroon | Hemiaster fourneli (209647) | |
| Coniacian - Santonian | Egypt | Hemiaster fourneli (114825 114826 114827) | |
| Early/Lower Coniacian | Brazil | Hemiaster jacksoni (140901) M. fourneli (126912 126915 142101 142833 195731 195732) | |
| Late/Upper Coniacian | Egypt | Hemiaster fourneli (114804) | |
| Early/Lower Santonian | Egypt | Hemiaster fourneli (114805) | |
| Early/Lower Santonian - Late/Upper Santonian | Egypt | Hemiaster fourneli (114806) | |
| Maastrichtian - Late/Upper Maastrichtian | Brazil (Paraíba) | Hemiaster jacksoni (88070) |