TABLE 1. Measurements (mm) of 14 specimens of Tanidromites longinosa n. sp. and 7 specimens of Tanidromites wysokaensis n. sp. L - maximum length of the carapace; W - maximum width of the carapace; RtC - length from the tip of the rostrum to the cervical groove; AtC - length from the end of the outer augenrest angle to the cervical groove; R - length from the tip of the rostrum to the anterior groove.

Specimen L W RtC AtC R
Tanidromites longinosa n. sp.
I-F/MP/474/1497/08 - - - 0.94 -
I-F/MP/530/1497/08 3.39 2.11 2.04 0.49 0.83
I-F/MP/642/1502/08 2.36 1.61 1.45 0.32 0.60
I-F/MP/1788/1517/08 paratype 3.57 2.36 2.17 0.46 0.76
I-F/MP/1849/1517/08 2.91 1.86 1.77 0.39 0.73
I-F/MP/1908/1517/08 - - - 0.72 -
I-F/MP/2053/1517/08 - 3.28 - 0.63 -
I-F/MP/2054/1517/08 6.02 3.74 3.39 0.71 1.59
I-F/MP/2725/1530/08 paratype - - - 0.52 -
I-F/MP/6235/1588/11 - 8.45 - 1.91 -
I-F/MP/6238/1588/11 - 5.12 - 1.01 -
I-F/MP/6239/1588/11 paratype 8.28 5.58 4.60 1.16 1.51
I-F/MP/6242/1588/11 - 6.42 - - -
I-F/MP/6307/1599/12 holotype 4.46 2.94 2.34 0.58 0.88
Tanidromites wysokaensis n. sp.
I-F/MP/1078/1508/08 - 5.95 552 2.03 1.48
I-F/MP/1896/1517/08 - - 4.13 1.39 1.23
I-F/MP/4507/1534/08 - - - 2.25 -
I-F/MP/4962/1543/09 - 7.18 6.18 2.15 1.82
I-F/MP/6240/1588/11 holotype 20.34 12.95 10.88 4.43 3.08
I-F/MP/6260/1588/11 paratype - 7.37 - 2.74 -
I-F/MP/6263/1588/11 paratype - 14.01 - 4.64 -
Tanidromites schweitzerae n. sp.
I-F/MP/4515/1534/08 holotype - 13.92 12.79 4.26 3.49
I-F/MP/4562/1534/08 5.73 4.36 3.10 1.37 0.66
I-F/MP/6249/1588/11 paratype - - 14.38 4.65 4.06

 

TABLE 2. All species of the genus Tanidromites with their respective habitats (information from Crônier and Boursicot, 2009; Fraaije et al., 2013; Hyžný et al., 2011; Müller et al., 2000; Robin et al., 2015; Schweigert and Koppka, 2011; Schweitzer and Feldmann, 2010; Starzyk, 2015a).

Species Age Habitat
T. sculpta Early Oxfordian to Late Kimmeridgian shallow sponge- microbial mounds
T. scheffnerae Early Oxfordian to Late Kimmeridgian shallow sponge- microbial mounds (Poland, Germany)
T. etalloni Middle to Late Oxfordian shallow sponge- microbial mounds (Poland)
T. alexandrae Early to Late Oxfordian shallow sponge- microbial mounds (Poland)
T. insignis Early Oxfordian to Early Kimmeridgian non reefal habitat associated fauna sparse; brachiopods, bivalves and crinoids (Slovakia) shallow sponge- microbial mounds (Poland, Germany)
T. lithuanicus Middle Callovian shallow non reefal habitats associated with benthic macrofauna (Lithuania)
T. montreuilense Early Callovian lower offshore environment, close to or below storm wave base, with water depth 50-80 m, associated with benthic fauna (France)
T. raboeufi Late Bathonian carbonate muddy buttoms (France)
T. richardsoni Bajocian shallow non reefal habitats associated with benthic macrofauna (Great Britain, Germany)
T. maerteni Early Bajocian shallow non reefal habitats associated (France)