TY - JOUR AU - Getty, Patrick Ryan PY - 2017/01/13 Y2 - 2024/03/29 TI - Bifurculapes Hitchcock 1858: a revision of the ichnogenus JF - Atlantic Geoscience JA - atlgeo VL - 52 IS - 0 SE - Articles DO - 10.4138/atlgeol.2016.013 UR - https://journals.lib.unb.ca/index.php/ag/article/view/25119 SP - 247 - 255 AB - <p><span style="color: #221e1f; font-size: small;"><span style="color: #221e1f; font-size: small;">Characters differentiating the arthropod trackway </span></span><em><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;"><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;"><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;">Bifurculapes </span></span></span></em><span style="color: #221e1f; font-size: small;"><span style="color: #221e1f; font-size: small;">from the similar ichnogenera </span></span><em><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;"><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;"><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;">Lithographus </span></span></span></em><span style="color: #221e1f; font-size: small;"><span style="color: #221e1f; font-size: small;">and </span></span><em><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;"><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;"><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;">Copeza </span></span></span></em><span style="color: #221e1f; font-size: small;"><span style="color: #221e1f; font-size: small;">include the position, arrangement and orientation of the tracks within the series. Of the five species of </span></span><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;"><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;"><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;"><em>Bifurculapes </em></span></span></span><span style="color: #221e1f; font-size: small;"><span style="color: #221e1f; font-size: small;">originally described, only </span></span><em><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;"><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;"><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;">Bifurculapes laqueatus </span></span></span></em><span style="color: #221e1f; font-size: small;"><span style="color: #221e1f; font-size: small;">and </span></span><em><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;"><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;"><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;">Bifurculapes scolopendroideus </span></span></span></em><span style="color: #221e1f; font-size: small;"><span style="color: #221e1f; font-size: small;">are recognized </span></span><span style="color: #221e1f; font-size: small;"><span style="color: #221e1f; font-size: small;">herein; the other three ichnospecies are considered to be </span></span><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;"><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;"><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;">nomina dubia </span></span></span><span style="color: #221e1f; font-size: small;"><span style="color: #221e1f; font-size: small;">or junior subjective synonyms of </span></span><em><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;"><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;"><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;">Bifurculapes </span></span></span></em><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;"><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;"><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;"><em>laqueatus</em></span></span></span><span style="color: #221e1f; font-size: small;"><span style="color: #221e1f; font-size: small;">. Two new specimens, recovered from the Early Jurassic East Berlin Formation of the Hartford Basin in Holyoke, Massachusetts, represent only the second unequivocal occurrence of the ichnogenus outside of the Deerfield Basin. </span></span><em><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;"><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;"><span style="color: #221e1f; font-family: Minion Pro,Minion Pro; font-size: small;">Bifurculapes </span></span></span></em><span style="color: #221e1f; font-size: small;"><span style="color: #221e1f; font-size: small;">is currently known only from the Early Jurassic.</span></span></p> ER -