paleozoic. 



ANNELIDA. 



CAMBRIAN AND SILURIAN. 



CAMBRIAN. LOWER SIL. 



1TPER SILURIAN. 



SPECIES. 



Nereites (continued). 



— Sedgwickii Murch. 



Dors I BE ANCH I ATA. 



PaUeochorda It 'Coy, 1849... 



Fucoids Auct 



— major M'Coy 



— minor M'Coy 



— teres Hark 



Pyritonema M'Coy, 1850... 



— fasciculus M'Coy 



DORSIBBANCHIATA. 

 Salterella Hillings, 1865.. 



— MacCullochii ... Salt 



DORSIBBANCHIATA. 

 Scolecoderma . . . Salter, 1 866 . . . 

 (Membranous tubes of annelida) 



— antiquissima ... Salt 



— tuberculata Salt 



DORSIBBANCHIATA. 



Soolites Salter, 1866 ... 



(Solid filled up annelide or ver- 

 micular burrows) 



- Sp. 



Salt. 



DORSIBBANCHIATA. 



Scolithus Sail, 1 846 . . . 



Tigillites Eoualt, 1850 



(Vertical burrows of annelida) 



Cephalobranchiata. 

 Serpulites M"Leay, 1839. 



— curtus Salt 



— dispar Salt 



— fistula Hall . . , 



— longissimus Murch. 



— MacCullochii... Salt. .. 



— perversus M'Coy 



Cephalobbanohiata. 



Spirorbis Lamarck, tSiS 



— Lewisii Soto 



1 



I. 



i 



REFERENCES. 



Sil. Syst. p. 700, t.27,f.2; ib. Siluria, 4ed. p. 201, Foss.44, 

 f. 2 ; ib. M'Coy, Brit. Pal. Foss. p. 129. 



ERRANTIA. 



Brit. Pal. Foss. 1. 1 A, f . 3 ; ib. Baily, Char. Brit. Foss. t. 6, 

 f. 1 ; ib. Eichw. Lethea Rossica, Pal. Russ. vol. i, p. 58, 

 t. 1, f. 3; ib. M'Coy, Q. J. Geol. Soc. vol. iv, p. 225 ; ib. 

 Harkness, Q. J. Geol. Soc. vol. xi, p. 474. 



Brit. Pal. Foss. 1. 1 A, f. 1 ; ib. Q. J. Geol. Soc. vol. iv, p. 225. 



Q.J. Geol. Soc. vol. xi, p. 474, 1855. 



TUBICOLA. 

 Brit. Pal. Foss. p. 10, 1. 1 B, f. 13. 



EERANTIA. 



Serpulites, Q. J. Geol. Soc. vol. xv, p. 381, t. 13, f. 31, 1858. 

 Salterella, Siluria, 4ed. p. 166, Foss. 28. 



ERRANTIA. 



Trachyderma, Trans. Malvern Club, pt. 1. 



Mem. Geol. Surv. (Geol. N. Wales), vol. iii, p. 293, t. 5, f . 24. 



ERRANTIA. 



Annelide burrows, Mem. Geol. Surv. (Geol. N. Wales), vol. iii, 

 p. 292, t. 12, f. 2; ib. Kinaban, Jour. Roy. Geol. Soc. 

 Dub. 1857, 1. 1 ; ib. 1858, t. 7. 



Arenicolites. 



ERRANTIA. 



TUBICOLA. 



Mem. Geol. Surv. vol. ii, p. 333, t. 29, f. 1, 2. 



App. A, M'Coy, Brit. Pal. Foss. p. 1, 1. 1 D, f. 11, 12 ; ib. 

 M'Coy, Brit. Pal. Foss. p. 132. 



Q. J. Geol. Soc. vol. xxi, p. 102, woodcut. 



Sil. Syst. p. 700, t. 5, f . 1 ; ib. Siluria, 4ed. 1. 16, f. 1. 



Vide Salterella. 



Q.J. Geol. Soc. vol.ix, p. 15. 



TUBICOLA. 



Sil. Syst. t. 8, f . 1 ; 1. 1 1, f . 8 : ib. Siluria, 4 ed. 1. 1 6, f . 2. 

 ? Spirorbis tenuis, Sow. 



36 



