ɪɾ ɪz θˈɔːt tə hæv fˈɛd fɹʌm ʃˈoʊlz ʌv plˈæŋktən dʒˈʌst ˌʌndɚ ðɪ ˈoʊʃən sˈɜːfɪs, ænd sˌʌm ɹˈɛkɚdz ɑːɹ fˈaʊnd ɪn ɐsˌoʊsɪˈeɪʃən wɪð mɚɹˈiːn fˈɑːsəlz, wˌaɪl sˌʌm ˈʌðɚz ɑːɹ fˈaʊnd ɪn fɹˈɛʃwɔːɾɚɹ ɛnvˈaɪɹənmənt.
It is thought to have fed from shoals of plankton just under the ocean surface, and some records are found in association with marine fossils, while some others are found in freshwater environment.