Cephalopoda - Ceratitida - Trachyceratidae
Alternative combination: Trachyceras ladinum
Synonyms: Ammonites aequinodosus Klipstein 1843, Trachyceras aequinodosum Klipstein 1843, Trachyceras altum von Mojsisovics 1878
Belongs to Protrachyceras according to M. Urlichs 2017
See also Fantini Sestini 1994, Klipstein 1843, Ogilvie Gordon 1927, Parnes 1986, Parnes et al. 1985 and von Mojsisovics 1882
Sister taxa: Protrachyceras anatolicum, Protrachyceras archelaus, Protrachyceras cautleyi, Protrachyceras costulatum, Protrachyceras deprati, Protrachyceras guizhouense, Protrachyceras hispanicum, Protrachyceras ibericum, Protrachyceras irregulare, Protrachyceras lermani, Protrachyceras longobardicum, Protrachyceras margaritosum, Protrachyceras mutabile, Protrachyceras negevense, Protrachyceras parinaense, Protrachyceras pseudoarchelaus, Protrachyceras sikanianum, Protrachyceras sirenitiforme, Protrachyceras spitiense, Protrachyceras steinmanni, Protrachyceras wahrmani, Trachyceras (Protrachyceras) ralphuanum, Trachyceras (Protrachyceras) springeri, Trachyceras (Protrachyceras) storrsi
Type specimens:
- Protrachyceras ladinum: GBA 1882/003/0161/6, a shell
- Ammonites aequinodosus: Its type locality is St. Cassian (Bronn coll), which is in a Longobardian carbonate limestone in Italy.
- Trachyceras altum:
Average measurements (in mm): shell diameter 73.8
Distribution:
• Triassic of China (3 collections), Israel (1), Italy (13), Slovenia (1), Spain (1)
Total: 19 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.