TABLE 1. Species list for the Arundel Clay. * indicates species not observed here, but published elsewhere. Species data from Marsh (1888), Gilmore (1921), Chinnery et al. (1998), Harris (1998), Kranz (1998a,b), Lipka (1998), Cifelli et al. (1999), Lipka et al. (2006), Cifelli et al. (2013), Frederickson et al. (2016), and Brownstein (2017).

Fauna List        
Vertebrata indet.     multiple
Actinopterygii Osteichthyes indet.   3
  Holostei indet. Scale 1 7
      Scale 2 7
      Scale 3 2
      indet. 16
    Lepidotes morph 1 10
      morph 2 3
    Amiiformes indet. 2
    Vidalamiinae sp. 4
  Teleostei indet. sp. 1
Sarcopterygii Dipnoi Ceratodus kranzi 1
      indet. 2
Chondrichthyes Hybodus ensis 15
    Egertonodus basanus 17
    Hybodontidae indet 49
    Hybodontoidea indet. 6
Archosauria Crurotarsi Pholidosauria indet. 13
    Crocodyliformes indet. 89
    Bernissartiidae indet. 2
  Dinosauria Acrocanthosaurus sp. 2
    Large theropod indet. *
    aff. Richardoestesia sp. 2
    Deinonychus sp. 5
    Ornithomimosaur Ornithomimosaur indet.

indet. 2

*

*

  ` Theropoda indet. 14
    Astrodon johnstoni 16
    Ornithopoda indet *
    basal Neoceratopsia indet. 1
    Priconodon crassus 4
    ?Ankylosauria indet. 4
Chelonia   Glyptops caelatus 1
    Naomichelys speciosa *
    Arundelemys dardeni *
    nov. sp. *
Mammalia Triconodontidae Arundelconodon hottoni *
  Multituberculata Argillomys marylandensis *