Nicholson, H.A.; Lydekker, R. 1889. A manual of palaeontology for the use of students, with a general introduction on the principles of palaeontology. Edinburgh and London, William Blachwood and Sons. vol. 2, pp. i-xi, 889-1624. { copied = true; setTimeout(() => copied = false, 10000); }).catch(err => { console.error('Failed to copy:', err); }); " type="button" :class="copied ? 'bg-secondary border-secondary' : 'border-primary hover:bg-primary'" class="group lg:min-w-64 flex items-center justify-between gap-5 border border-solid px-5 py-2 cursor-pointer transition-colors"> PDF download available