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Trigonia (Trigonia)
Taxonomy
Trigonia (Trigonia) was named by Bruguiere (1789).
It was assigned to Trigonia by Bruguiere (1789) and Cox (1952).
It was assigned to Trigonia by Bruguiere (1789) and Cox (1952).
Subtaxa
Species lacking formal opinion data
Trigonia aliformis, Trigonia bella, Trigonia brevicostata, Trigonia carinata, Trigonia clavigera, Trigonia conradi, Trigonia corderoi, Trigonia costata, Trigonia crebraecostata, Trigonia elongata, Trigonia elongata, Trigonia guadalupae, Trigonia kenti, Trigonia kidugalloensis, Trigonia kuchensis, Trigonia leckenbyi, Trigonia libanotica, Trigonia literata, Trigonia loutfyi, Trigonia migeodi, Trigonia mollesensis, Trigonia nitida, Trigonia proelanza, Trigonia prora, Trigonia stelzneri, Trigonia tenuis, Trigonia trafalgarensis, Trigonia tumida
Synonymy list
| Year | Name and author |
|---|---|
| 1789 | Trigonia (Trigonia) Bruguiere |
| 1952 | Trigonia (Trigonia) Cox |
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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.
Subg. †Trigonia (Trigonia) Bruguiere 1789
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†Trigonia (Trigonia) angustecostata Behrendsen 1892
†Trigonia (Trigonia) elegantoides Körner 1937
†Trigonia (Trigonia) gaytani Klipstein 1843
†Trigonia (Trigonia) heva Dollfus 1863
†Trigonia (Trigonia) signicollina Fleming 1987
†Trigonia (Trigonia) subcarinata Ebray 1863
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 36.8 |
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| Source: o = order, c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: base of the Julian to the top of the Early/Lower Tithonian or 235.00000 to 145.00000 Ma
Collections (101 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Julian | Italy | Trigonia gaytani (144634) | |
| Jurassic - Hauterivian | Chile (Coquimbo) | Trigonia sp. (221573) | |
| Pliensbachian | Spain | Trigonia similis (211867 211868 212190 212200 212203 212212 212214 212229) | |
| Early/Lower Toarcian | Spain (Teruel) | Trigonia similis (211201 211202 211203 211205 211210 211211 211213) | |
| Early/Lower Toarcian | Thailand | Trigonia tumida (87468 87540) | |
| Early/Lower Toarcian | Spain | Trigonia similis (25661 25672 25675 25774 25777 25778 26322 26323) | |
| Early/Lower Toarcian - Middle Toarcian | Spain | Trigonia similis (25773 51613) | |
| Middle Toarcian | Spain | Trigonia similis (25879) | |
| Temaikan | New Zealand | Trigonia signicollina (63730) | |
| Aalenian | New Zealand | Trigonia signicollina (63729) | |
| Bajocian | Chile (Chañaral) | Trigonia sp. (223620) | |
| Bathonian | India | Trigonia nitida (67665 67666 67667) | |
| Early/Lower Bathonian | India | Trigonia elongata (63215) | |
| Callovian | India | Trigonia brevicostata (63236 68089 68673) Trigonia brevicostata, Trigonia dhosaensis (68665) Trigonia brevicostata, Trigonia elongata (63242) Trigonia distincta (61467 68556 68657) Trigonia distincta, Trigonia brevicostata (67630 68662) Trigonia distincta, Trigonia chariensis, Trigonia brevicostata (67622) Trigonia elongata (62055 63075 63231 63240 63251 67571 68078 68596) Trigonia haboensis (68653) Trigonia haboensis, Trigonia distincta, Trigonia brevicostata (68663) Trigonia haboensis, Trigonia distincta, Trigonia nitida, Trigonia brevicostata (68664) Trigonia haboensis, Trigonia nitida, Trigonia brevicostata (68667) Trigonia kheraensis (67623) Trigonia sp. (61524 61533 61884 61885 62765 63079 67391 67401 67568 67577 67624 68079 68093 68283 68394 68395 68406) | |
| Callovian - Oxfordian | India | Trigonia haboensis (68647) | |
| Early/Lower Callovian | India | Trigonia distincta (62353) Trigonia kheraensis (61793 63066) Trigonia sp. (63067 63070 67608 68286 68288) | |
| Late/Upper Callovian | India | Trigonia nitida (68550 68601) Trigonia propinqua, Trigonia nitida (68598) Trigonia sp. (61672 67626 68284 68291) | |
| Oxfordian | India | Trigonia sp. (63529 63533 63534) | |
| Early/Lower Oxfordian | India | Trigonia brevicostata (63535 63537) Trigonia sp. (63544) | |
| Early/Lower Tithonian | India | Trigonia sp. (62167) |